Home / 146,613.60-202,329.12-79,545.60

Finding the Fourth Proportional to 146,613.60, 202,329.12 and 79,545.60

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Solution

The fourth proportional to 146,613.60, 202,329.12 and 79,545.60 is: 109,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,613.60 : 202,329.12 = 79,545.60 : x
  2. Step 2: Convert to fraction form
    146,613.60/202,329.12 = 79,545.60/x
  3. Step 3: Cross multiply
    146,613.60x = 202,329.12 × 79,545.60
  4. Step 4: Simplify right side
    146,613.60x = 16,094,391,247.87
  5. Step 5: Solve for x
    x = 16,094,391,247.87/146,613.60
  6. Step 6: Final answer
    x = 109,774.20

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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.