Home / 131,915.66-182,042.89-71,484.74

Finding the Fourth Proportional to 131,915.66, 182,042.89 and 71,484.74

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Solution

The fourth proportional to 131,915.66, 182,042.89 and 71,484.74 is: 98,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,915.66 : 182,042.89 = 71,484.74 : x
  2. Step 2: Convert to fraction form
    131,915.66/182,042.89 = 71,484.74/x
  3. Step 3: Cross multiply
    131,915.66x = 182,042.89 × 71,484.74
  4. Step 4: Simplify right side
    131,915.66x = 13,013,289,680.33
  5. Step 5: Solve for x
    x = 13,013,289,680.33/131,915.66
  6. Step 6: Final answer
    x = 98,648.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.