Home / 130,545.50-180,152.97-73,960.70

Finding the Fourth Proportional to 130,545.50, 180,152.97 and 73,960.70

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Solution

The fourth proportional to 130,545.50, 180,152.97 and 73,960.70 is: 102,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,545.50 : 180,152.97 = 73,960.70 : x
  2. Step 2: Convert to fraction form
    130,545.50/180,152.97 = 73,960.70/x
  3. Step 3: Cross multiply
    130,545.50x = 180,152.97 × 73,960.70
  4. Step 4: Simplify right side
    130,545.50x = 13,324,239,768.28
  5. Step 5: Solve for x
    x = 13,324,239,768.28/130,545.50
  6. Step 6: Final answer
    x = 102,065.87

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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.