Home / 155,089.74-232,635.76-84,930.78

Finding the Fourth Proportional to 155,089.74, 232,635.76 and 84,930.78

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Solution

The fourth proportional to 155,089.74, 232,635.76 and 84,930.78 is: 127,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,089.74 : 232,635.76 = 84,930.78 : x
  2. Step 2: Convert to fraction form
    155,089.74/232,635.76 = 84,930.78/x
  3. Step 3: Cross multiply
    155,089.74x = 232,635.76 × 84,930.78
  4. Step 4: Simplify right side
    155,089.74x = 19,757,936,552.69
  5. Step 5: Solve for x
    x = 19,757,936,552.69/155,089.74
  6. Step 6: Final answer
    x = 127,396.80

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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.