Home / 132,407.90-182,726.48-71,982.61

Finding the Fourth Proportional to 132,407.90, 182,726.48 and 71,982.61

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Solution

The fourth proportional to 132,407.90, 182,726.48 and 71,982.61 is: 99,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,407.90 : 182,726.48 = 71,982.61 : x
  2. Step 2: Convert to fraction form
    132,407.90/182,726.48 = 71,982.61/x
  3. Step 3: Cross multiply
    132,407.90x = 182,726.48 × 71,982.61
  4. Step 4: Simplify right side
    132,407.90x = 13,153,128,669.65
  5. Step 5: Solve for x
    x = 13,153,128,669.65/132,407.90
  6. Step 6: Final answer
    x = 99,337.95

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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.