Home / 152,840.20-229,260.30-89,854.60

Finding the Fourth Proportional to 152,840.20, 229,260.30 and 89,854.60

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Solution

The fourth proportional to 152,840.20, 229,260.30 and 89,854.60 is: 134,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,840.20 : 229,260.30 = 89,854.60 : x
  2. Step 2: Convert to fraction form
    152,840.20/229,260.30 = 89,854.60/x
  3. Step 3: Cross multiply
    152,840.20x = 229,260.30 × 89,854.60
  4. Step 4: Simplify right side
    152,840.20x = 20,600,092,552.38
  5. Step 5: Solve for x
    x = 20,600,092,552.38/152,840.20
  6. Step 6: Final answer
    x = 134,781.90

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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.