Home / 156,304.47-234,082.08-80,202.74

Finding the Fourth Proportional to 156,304.47, 234,082.08 and 80,202.74

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Solution

The fourth proportional to 156,304.47, 234,082.08 and 80,202.74 is: 120,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,304.47 : 234,082.08 = 80,202.74 : x
  2. Step 2: Convert to fraction form
    156,304.47/234,082.08 = 80,202.74/x
  3. Step 3: Cross multiply
    156,304.47x = 234,082.08 × 80,202.74
  4. Step 4: Simplify right side
    156,304.47x = 18,774,024,200.90
  5. Step 5: Solve for x
    x = 18,774,024,200.90/156,304.47
  6. Step 6: Final answer
    x = 120,111.88

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1.5x scale

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.