Home / 155,108.57-232,663.85-84,949.61

Finding the Fourth Proportional to 155,108.57, 232,663.85 and 84,949.61

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Solution

The fourth proportional to 155,108.57, 232,663.85 and 84,949.61 is: 127,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,108.57 : 232,663.85 = 84,949.61 : x
  2. Step 2: Convert to fraction form
    155,108.57/232,663.85 = 84,949.61/x
  3. Step 3: Cross multiply
    155,108.57x = 232,663.85 × 84,949.61
  4. Step 4: Simplify right side
    155,108.57x = 19,764,703,318.60
  5. Step 5: Solve for x
    x = 19,764,703,318.60/155,108.57
  6. Step 6: Final answer
    x = 127,424.96

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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.