Home / 133,545.10-200,026.05-80,862.70

Finding the Fourth Proportional to 133,545.10, 200,026.05 and 80,862.70

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Solution

The fourth proportional to 133,545.10, 200,026.05 and 80,862.70 is: 121,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,545.10 : 200,026.05 = 80,862.70 : x
  2. Step 2: Convert to fraction form
    133,545.10/200,026.05 = 80,862.70/x
  3. Step 3: Cross multiply
    133,545.10x = 200,026.05 × 80,862.70
  4. Step 4: Simplify right side
    133,545.10x = 16,174,646,473.34
  5. Step 5: Solve for x
    x = 16,174,646,473.34/133,545.10
  6. Step 6: Final answer
    x = 121,117.48

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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.