Home / 129,827.63-179,162.67-70,211.63

Finding the Fourth Proportional to 129,827.63, 179,162.67 and 70,211.63

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Solution

The fourth proportional to 129,827.63, 179,162.67 and 70,211.63 is: 96,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,827.63 : 179,162.67 = 70,211.63 : x
  2. Step 2: Convert to fraction form
    129,827.63/179,162.67 = 70,211.63/x
  3. Step 3: Cross multiply
    129,827.63x = 179,162.67 × 70,211.63
  4. Step 4: Simplify right side
    129,827.63x = 12,579,303,095.85
  5. Step 5: Solve for x
    x = 12,579,303,095.85/129,827.63
  6. Step 6: Final answer
    x = 96,892.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.