Home / 154,397.96-231,573.25-42,087.21

Finding the Fourth Proportional to 154,397.96, 231,573.25 and 42,087.21

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Solution

The fourth proportional to 154,397.96, 231,573.25 and 42,087.21 is: 63,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,397.96 : 231,573.25 = 42,087.21 : x
  2. Step 2: Convert to fraction form
    154,397.96/231,573.25 = 42,087.21/x
  3. Step 3: Cross multiply
    154,397.96x = 231,573.25 × 42,087.21
  4. Step 4: Simplify right side
    154,397.96x = 9,746,272,003.13
  5. Step 5: Solve for x
    x = 9,746,272,003.13/154,397.96
  6. Step 6: Final answer
    x = 63,124.36

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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.