Home / 102,753.41-153,834.86-75,918.92

Finding the Fourth Proportional to 102,753.41, 153,834.86 and 75,918.92

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Solution

The fourth proportional to 102,753.41, 153,834.86 and 75,918.92 is: 113,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,753.41 : 153,834.86 = 75,918.92 : x
  2. Step 2: Convert to fraction form
    102,753.41/153,834.86 = 75,918.92/x
  3. Step 3: Cross multiply
    102,753.41x = 153,834.86 × 75,918.92
  4. Step 4: Simplify right side
    102,753.41x = 11,678,975,850.17
  5. Step 5: Solve for x
    x = 11,678,975,850.17/102,753.41
  6. Step 6: Final answer
    x = 113,660.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.