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Finding the Fourth Proportional to 155,292.48, 232,772.60 and 80,337.16

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Solution

The fourth proportional to 155,292.48, 232,772.60 and 80,337.16 is: 120,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,292.48 : 232,772.60 = 80,337.16 : x
  2. Step 2: Convert to fraction form
    155,292.48/232,772.60 = 80,337.16/x
  3. Step 3: Cross multiply
    155,292.48x = 232,772.60 × 80,337.16
  4. Step 4: Simplify right side
    155,292.48x = 18,700,289,609.82
  5. Step 5: Solve for x
    x = 18,700,289,609.82/155,292.48
  6. Step 6: Final answer
    x = 120,419.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.