Home / 105,614.76-145,725.68-62,607.80

Finding the Fourth Proportional to 105,614.76, 145,725.68 and 62,607.80

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Solution

The fourth proportional to 105,614.76, 145,725.68 and 62,607.80 is: 86,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,614.76 : 145,725.68 = 62,607.80 : x
  2. Step 2: Convert to fraction form
    105,614.76/145,725.68 = 62,607.80/x
  3. Step 3: Cross multiply
    105,614.76x = 145,725.68 × 62,607.80
  4. Step 4: Simplify right side
    105,614.76x = 9,123,564,228.30
  5. Step 5: Solve for x
    x = 9,123,564,228.30/105,614.76
  6. Step 6: Final answer
    x = 86,385.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.