Home / 150,153.08-207,190.71-89,710.88

Finding the Fourth Proportional to 150,153.08, 207,190.71 and 89,710.88

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Solution

The fourth proportional to 150,153.08, 207,190.71 and 89,710.88 is: 123,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,153.08 : 207,190.71 = 89,710.88 : x
  2. Step 2: Convert to fraction form
    150,153.08/207,190.71 = 89,710.88/x
  3. Step 3: Cross multiply
    150,153.08x = 207,190.71 × 89,710.88
  4. Step 4: Simplify right side
    150,153.08x = 18,587,259,885.97
  5. Step 5: Solve for x
    x = 18,587,259,885.97/150,153.08
  6. Step 6: Final answer
    x = 123,788.74

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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.