Home / 150,488.21-207,602.17-90,046.68

Finding the Fourth Proportional to 150,488.21, 207,602.17 and 90,046.68

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Solution

The fourth proportional to 150,488.21, 207,602.17 and 90,046.68 is: 124,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,488.21 : 207,602.17 = 90,046.68 : x
  2. Step 2: Convert to fraction form
    150,488.21/207,602.17 = 90,046.68/x
  3. Step 3: Cross multiply
    150,488.21x = 207,602.17 × 90,046.68
  4. Step 4: Simplify right side
    150,488.21x = 18,693,886,169.30
  5. Step 5: Solve for x
    x = 18,693,886,169.30/150,488.21
  6. Step 6: Final answer
    x = 124,221.60

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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.