Home / 127,456.35-191,172.08-38,710.62

Finding the Fourth Proportional to 127,456.35, 191,172.08 and 38,710.62

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Solution

The fourth proportional to 127,456.35, 191,172.08 and 38,710.62 is: 58,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,456.35 : 191,172.08 = 38,710.62 : x
  2. Step 2: Convert to fraction form
    127,456.35/191,172.08 = 38,710.62/x
  3. Step 3: Cross multiply
    127,456.35x = 191,172.08 × 38,710.62
  4. Step 4: Simplify right side
    127,456.35x = 7,400,389,549.94
  5. Step 5: Solve for x
    x = 7,400,389,549.94/127,456.35
  6. Step 6: Final answer
    x = 58,062.15

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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.