Home / 155,398.92-233,132.52-92,276.70

Finding the Fourth Proportional to 155,398.92, 233,132.52 and 92,276.70

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Solution

The fourth proportional to 155,398.92, 233,132.52 and 92,276.70 is: 138,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,398.92 : 233,132.52 = 92,276.70 : x
  2. Step 2: Convert to fraction form
    155,398.92/233,132.52 = 92,276.70/x
  3. Step 3: Cross multiply
    155,398.92x = 233,132.52 × 92,276.70
  4. Step 4: Simplify right side
    155,398.92x = 21,512,699,608.28
  5. Step 5: Solve for x
    x = 21,512,699,608.28/155,398.92
  6. Step 6: Final answer
    x = 138,435.32

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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.