Home / 154,478.43-231,867.23-74,572.52

Finding the Fourth Proportional to 154,478.43, 231,867.23 and 74,572.52

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Solution

The fourth proportional to 154,478.43, 231,867.23 and 74,572.52 is: 111,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,478.43 : 231,867.23 = 74,572.52 : x
  2. Step 2: Convert to fraction form
    154,478.43/231,867.23 = 74,572.52/x
  3. Step 3: Cross multiply
    154,478.43x = 231,867.23 × 74,572.52
  4. Step 4: Simplify right side
    154,478.43x = 17,290,922,114.32
  5. Step 5: Solve for x
    x = 17,290,922,114.32/154,478.43
  6. Step 6: Final answer
    x = 111,930.98

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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.