Home / 154,441.48-231,812.02-74,535.68

Finding the Fourth Proportional to 154,441.48, 231,812.02 and 74,535.68

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Solution

The fourth proportional to 154,441.48, 231,812.02 and 74,535.68 is: 111,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,441.48 : 231,812.02 = 74,535.68 : x
  2. Step 2: Convert to fraction form
    154,441.48/231,812.02 = 74,535.68/x
  3. Step 3: Cross multiply
    154,441.48x = 231,812.02 × 74,535.68
  4. Step 4: Simplify right side
    154,441.48x = 17,278,266,542.87
  5. Step 5: Solve for x
    x = 17,278,266,542.87/154,441.48
  6. Step 6: Final answer
    x = 111,875.82

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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.