Home / 116,972.02-175,456.40-28,224.78

Finding the Fourth Proportional to 116,972.02, 175,456.40 and 28,224.78

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Solution

The fourth proportional to 116,972.02, 175,456.40 and 28,224.78 is: 42,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,972.02 : 175,456.40 = 28,224.78 : x
  2. Step 2: Convert to fraction form
    116,972.02/175,456.40 = 28,224.78/x
  3. Step 3: Cross multiply
    116,972.02x = 175,456.40 × 28,224.78
  4. Step 4: Simplify right side
    116,972.02x = 4,952,218,289.59
  5. Step 5: Solve for x
    x = 4,952,218,289.59/116,972.02
  6. Step 6: Final answer
    x = 42,336.78

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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.