Home / 108,545.90-162,538.45-74,915.71

Finding the Fourth Proportional to 108,545.90, 162,538.45 and 74,915.71

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Solution

The fourth proportional to 108,545.90, 162,538.45 and 74,915.71 is: 112,180.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,545.90 : 162,538.45 = 74,915.71 : x
  2. Step 2: Convert to fraction form
    108,545.90/162,538.45 = 74,915.71/x
  3. Step 3: Cross multiply
    108,545.90x = 162,538.45 × 74,915.71
  4. Step 4: Simplify right side
    108,545.90x = 12,176,682,790.41
  5. Step 5: Solve for x
    x = 12,176,682,790.41/108,545.90
  6. Step 6: Final answer
    x = 112,180.04

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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.