Home / 112,545.45-156,023.01-106,553.07

Finding the Fourth Proportional to 112,545.45, 156,023.01 and 106,553.07

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Solution

The fourth proportional to 112,545.45, 156,023.01 and 106,553.07 is: 147,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,545.45 : 156,023.01 = 106,553.07 : x
  2. Step 2: Convert to fraction form
    112,545.45/156,023.01 = 106,553.07/x
  3. Step 3: Cross multiply
    112,545.45x = 156,023.01 × 106,553.07
  4. Step 4: Simplify right side
    112,545.45x = 16,624,730,706.14
  5. Step 5: Solve for x
    x = 16,624,730,706.14/112,545.45
  6. Step 6: Final answer
    x = 147,715.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.