Home / 136,381.38-188,192.85-75,957.66

Finding the Fourth Proportional to 136,381.38, 188,192.85 and 75,957.66

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Solution

The fourth proportional to 136,381.38, 188,192.85 and 75,957.66 is: 104,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,381.38 : 188,192.85 = 75,957.66 : x
  2. Step 2: Convert to fraction form
    136,381.38/188,192.85 = 75,957.66/x
  3. Step 3: Cross multiply
    136,381.38x = 188,192.85 × 75,957.66
  4. Step 4: Simplify right side
    136,381.38x = 14,294,688,514.73
  5. Step 5: Solve for x
    x = 14,294,688,514.73/136,381.38
  6. Step 6: Final answer
    x = 104,814.08

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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.