Home / 131,545.60-197,383.20-75,428.80

Finding the Fourth Proportional to 131,545.60, 197,383.20 and 75,428.80

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Solution

The fourth proportional to 131,545.60, 197,383.20 and 75,428.80 is: 113,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,545.60 : 197,383.20 = 75,428.80 : x
  2. Step 2: Convert to fraction form
    131,545.60/197,383.20 = 75,428.80/x
  3. Step 3: Cross multiply
    131,545.60x = 197,383.20 × 75,428.80
  4. Step 4: Simplify right side
    131,545.60x = 14,888,377,916.16
  5. Step 5: Solve for x
    x = 14,888,377,916.16/131,545.60
  6. Step 6: Final answer
    x = 113,180.36

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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.