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Finding the Fourth Proportional to 150,898.92, 208,246.14 and 90,479.40

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Solution

The fourth proportional to 150,898.92, 208,246.14 and 90,479.40 is: 124,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,898.92 : 208,246.14 = 90,479.40 : x
  2. Step 2: Convert to fraction form
    150,898.92/208,246.14 = 90,479.40/x
  3. Step 3: Cross multiply
    150,898.92x = 208,246.14 × 90,479.40
  4. Step 4: Simplify right side
    150,898.92x = 18,841,985,799.52
  5. Step 5: Solve for x
    x = 18,841,985,799.52/150,898.92
  6. Step 6: Final answer
    x = 124,864.95

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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.