Home / 129,942.63-179,320.77-70,326.63

Finding the Fourth Proportional to 129,942.63, 179,320.77 and 70,326.63

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Solution

The fourth proportional to 129,942.63, 179,320.77 and 70,326.63 is: 97,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,942.63 : 179,320.77 = 70,326.63 : x
  2. Step 2: Convert to fraction form
    129,942.63/179,320.77 = 70,326.63/x
  3. Step 3: Cross multiply
    129,942.63x = 179,320.77 × 70,326.63
  4. Step 4: Simplify right side
    129,942.63x = 12,611,025,443.11
  5. Step 5: Solve for x
    x = 12,611,025,443.11/129,942.63
  6. Step 6: Final answer
    x = 97,050.72

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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.