Home / 240,139.14-331,398.66-132,715.92

Finding the Fourth Proportional to 240,139.14, 331,398.66 and 132,715.92

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Solution

The fourth proportional to 240,139.14, 331,398.66 and 132,715.92 is: 183,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,139.14 : 331,398.66 = 132,715.92 : x
  2. Step 2: Convert to fraction form
    240,139.14/331,398.66 = 132,715.92/x
  3. Step 3: Cross multiply
    240,139.14x = 331,398.66 × 132,715.92
  4. Step 4: Simplify right side
    240,139.14x = 43,981,878,048.67
  5. Step 5: Solve for x
    x = 43,981,878,048.67/240,139.14
  6. Step 6: Final answer
    x = 183,151.64

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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.