Home / 154,527.55-231,753.86-42,208.29

Finding the Fourth Proportional to 154,527.55, 231,753.86 and 42,208.29

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Solution

The fourth proportional to 154,527.55, 231,753.86 and 42,208.29 is: 63,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,527.55 : 231,753.86 = 42,208.29 : x
  2. Step 2: Convert to fraction form
    154,527.55/231,753.86 = 42,208.29/x
  3. Step 3: Cross multiply
    154,527.55x = 231,753.86 × 42,208.29
  4. Step 4: Simplify right side
    154,527.55x = 9,781,934,078.74
  5. Step 5: Solve for x
    x = 9,781,934,078.74/154,527.55
  6. Step 6: Final answer
    x = 63,302.20

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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.