Home / 151,520.10-227,280.15-67,280.10

Finding the Fourth Proportional to 151,520.10, 227,280.15 and 67,280.10

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Solution

The fourth proportional to 151,520.10, 227,280.15 and 67,280.10 is: 100,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,520.10 : 227,280.15 = 67,280.10 : x
  2. Step 2: Convert to fraction form
    151,520.10/227,280.15 = 67,280.10/x
  3. Step 3: Cross multiply
    151,520.10x = 227,280.15 × 67,280.10
  4. Step 4: Simplify right side
    151,520.10x = 15,291,431,220.02
  5. Step 5: Solve for x
    x = 15,291,431,220.02/151,520.10
  6. Step 6: Final answer
    x = 100,920.15

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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.