Home / 127,708.92-191,562.80-38,962.12

Finding the Fourth Proportional to 127,708.92, 191,562.80 and 38,962.12

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Solution

The fourth proportional to 127,708.92, 191,562.80 and 38,962.12 is: 58,443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,708.92 : 191,562.80 = 38,962.12 : x
  2. Step 2: Convert to fraction form
    127,708.92/191,562.80 = 38,962.12/x
  3. Step 3: Cross multiply
    127,708.92x = 191,562.80 × 38,962.12
  4. Step 4: Simplify right side
    127,708.92x = 7,463,692,801.14
  5. Step 5: Solve for x
    x = 7,463,692,801.14/127,708.92
  6. Step 6: Final answer
    x = 58,443.00

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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.