Home / 129,598.59-178,846.07-73,009.97

Finding the Fourth Proportional to 129,598.59, 178,846.07 and 73,009.97

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Solution

The fourth proportional to 129,598.59, 178,846.07 and 73,009.97 is: 100,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,598.59 : 178,846.07 = 73,009.97 : x
  2. Step 2: Convert to fraction form
    129,598.59/178,846.07 = 73,009.97/x
  3. Step 3: Cross multiply
    129,598.59x = 178,846.07 × 73,009.97
  4. Step 4: Simplify right side
    129,598.59x = 13,057,545,616.71
  5. Step 5: Solve for x
    x = 13,057,545,616.71/129,598.59
  6. Step 6: Final answer
    x = 100,753.76

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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.