Home / 175,520.10-263,280.15-131,456.10

Finding the Fourth Proportional to 175,520.10, 263,280.15 and 131,456.10

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Solution

The fourth proportional to 175,520.10, 263,280.15 and 131,456.10 is: 197,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,520.10 : 263,280.15 = 131,456.10 : x
  2. Step 2: Convert to fraction form
    175,520.10/263,280.15 = 131,456.10/x
  3. Step 3: Cross multiply
    175,520.10x = 263,280.15 × 131,456.10
  4. Step 4: Simplify right side
    175,520.10x = 34,609,781,726.42
  5. Step 5: Solve for x
    x = 34,609,781,726.42/175,520.10
  6. Step 6: Final answer
    x = 197,184.15

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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.