Home / 150,890.28-208,246.69-90,494.15

Finding the Fourth Proportional to 150,890.28, 208,246.69 and 90,494.15

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Solution

The fourth proportional to 150,890.28, 208,246.69 and 90,494.15 is: 124,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,890.28 : 208,246.69 = 90,494.15 : x
  2. Step 2: Convert to fraction form
    150,890.28/208,246.69 = 90,494.15/x
  3. Step 3: Cross multiply
    150,890.28x = 208,246.69 × 90,494.15
  4. Step 4: Simplify right side
    150,890.28x = 18,845,107,088.66
  5. Step 5: Solve for x
    x = 18,845,107,088.66/150,890.28
  6. Step 6: Final answer
    x = 124,892.78

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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.