Home / 127,901.43-191,857.21-47,931.04

Finding the Fourth Proportional to 127,901.43, 191,857.21 and 47,931.04

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Solution

The fourth proportional to 127,901.43, 191,857.21 and 47,931.04 is: 71,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,901.43 : 191,857.21 = 47,931.04 : x
  2. Step 2: Convert to fraction form
    127,901.43/191,857.21 = 47,931.04/x
  3. Step 3: Cross multiply
    127,901.43x = 191,857.21 × 47,931.04
  4. Step 4: Simplify right side
    127,901.43x = 9,195,915,726.79
  5. Step 5: Solve for x
    x = 9,195,915,726.79/127,901.43
  6. Step 6: Final answer
    x = 71,898.46

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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.