Home / 150,637.28-207,885.94-90,217.76

Finding the Fourth Proportional to 150,637.28, 207,885.94 and 90,217.76

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Solution

The fourth proportional to 150,637.28, 207,885.94 and 90,217.76 is: 124,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,637.28 : 207,885.94 = 90,217.76 : x
  2. Step 2: Convert to fraction form
    150,637.28/207,885.94 = 90,217.76/x
  3. Step 3: Cross multiply
    150,637.28x = 207,885.94 × 90,217.76
  4. Step 4: Simplify right side
    150,637.28x = 18,755,003,842.29
  5. Step 5: Solve for x
    x = 18,755,003,842.29/150,637.28
  6. Step 6: Final answer
    x = 124,504.40

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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.