Home / 129,763.64-179,106.46-73,207.82

Finding the Fourth Proportional to 129,763.64, 179,106.46 and 73,207.82

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Solution

The fourth proportional to 129,763.64, 179,106.46 and 73,207.82 is: 101,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,763.64 : 179,106.46 = 73,207.82 : x
  2. Step 2: Convert to fraction form
    129,763.64/179,106.46 = 73,207.82/x
  3. Step 3: Cross multiply
    129,763.64x = 179,106.46 × 73,207.82
  4. Step 4: Simplify right side
    129,763.64x = 13,111,993,484.52
  5. Step 5: Solve for x
    x = 13,111,993,484.52/129,763.64
  6. Step 6: Final answer
    x = 101,045.20

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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.