Home / 131,512.65-197,287.20-47,252.40

Finding the Fourth Proportional to 131,512.65, 197,287.20 and 47,252.40

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Solution

The fourth proportional to 131,512.65, 197,287.20 and 47,252.40 is: 70,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,512.65 : 197,287.20 = 47,252.40 : x
  2. Step 2: Convert to fraction form
    131,512.65/197,287.20 = 47,252.40/x
  3. Step 3: Cross multiply
    131,512.65x = 197,287.20 × 47,252.40
  4. Step 4: Simplify right side
    131,512.65x = 9,322,293,689.28
  5. Step 5: Solve for x
    x = 9,322,293,689.28/131,512.65
  6. Step 6: Final answer
    x = 70,885.15

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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.