Home / 131,515.16-197,224.28-47,252.78

Finding the Fourth Proportional to 131,515.16, 197,224.28 and 47,252.78

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Solution

The fourth proportional to 131,515.16, 197,224.28 and 47,252.78 is: 70,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,515.16 : 197,224.28 = 47,252.78 : x
  2. Step 2: Convert to fraction form
    131,515.16/197,224.28 = 47,252.78/x
  3. Step 3: Cross multiply
    131,515.16x = 197,224.28 × 47,252.78
  4. Step 4: Simplify right side
    131,515.16x = 9,319,395,207.90
  5. Step 5: Solve for x
    x = 9,319,395,207.90/131,515.16
  6. Step 6: Final answer
    x = 70,861.76

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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.