Home / 129,487.41-178,741.20-95,767.28

Finding the Fourth Proportional to 129,487.41, 178,741.20 and 95,767.28

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Solution

The fourth proportional to 129,487.41, 178,741.20 and 95,767.28 is: 132,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,487.41 : 178,741.20 = 95,767.28 : x
  2. Step 2: Convert to fraction form
    129,487.41/178,741.20 = 95,767.28/x
  3. Step 3: Cross multiply
    129,487.41x = 178,741.20 × 95,767.28
  4. Step 4: Simplify right side
    129,487.41x = 17,117,558,547.94
  5. Step 5: Solve for x
    x = 17,117,558,547.94/129,487.41
  6. Step 6: Final answer
    x = 132,194.77

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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.