Home / 131,507.20-197,187.90-52,532.20

Finding the Fourth Proportional to 131,507.20, 197,187.90 and 52,532.20

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Solution

The fourth proportional to 131,507.20, 197,187.90 and 52,532.20 is: 78,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,507.20 : 197,187.90 = 52,532.20 : x
  2. Step 2: Convert to fraction form
    131,507.20/197,187.90 = 52,532.20/x
  3. Step 3: Cross multiply
    131,507.20x = 197,187.90 × 52,532.20
  4. Step 4: Simplify right side
    131,507.20x = 10,358,714,200.38
  5. Step 5: Solve for x
    x = 10,358,714,200.38/131,507.20
  6. Step 6: Final answer
    x = 78,769.18

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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.