Home / 187,088.16-280,634.64-62,429.16

Finding the Fourth Proportional to 187,088.16, 280,634.64 and 62,429.16

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Solution

The fourth proportional to 187,088.16, 280,634.64 and 62,429.16 is: 93,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,088.16 : 280,634.64 = 62,429.16 : x
  2. Step 2: Convert to fraction form
    187,088.16/280,634.64 = 62,429.16/x
  3. Step 3: Cross multiply
    187,088.16x = 280,634.64 × 62,429.16
  4. Step 4: Simplify right side
    187,088.16x = 17,519,784,842.10
  5. Step 5: Solve for x
    x = 17,519,784,842.10/187,088.16
  6. Step 6: Final answer
    x = 93,644.54

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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.