Home / 150,449.76-207,613.40-90,053.73

Finding the Fourth Proportional to 150,449.76, 207,613.40 and 90,053.73

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Solution

The fourth proportional to 150,449.76, 207,613.40 and 90,053.73 is: 124,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,449.76 : 207,613.40 = 90,053.73 : x
  2. Step 2: Convert to fraction form
    150,449.76/207,613.40 = 90,053.73/x
  3. Step 3: Cross multiply
    150,449.76x = 207,613.40 × 90,053.73
  4. Step 4: Simplify right side
    150,449.76x = 18,696,360,617.71
  5. Step 5: Solve for x
    x = 18,696,360,617.71/150,449.76
  6. Step 6: Final answer
    x = 124,269.79

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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.