Home / 150,645.28-207,897.04-90,225.76

Finding the Fourth Proportional to 150,645.28, 207,897.04 and 90,225.76

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Solution

The fourth proportional to 150,645.28, 207,897.04 and 90,225.76 is: 124,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,645.28 : 207,897.04 = 90,225.76 : x
  2. Step 2: Convert to fraction form
    150,645.28/207,897.04 = 90,225.76/x
  3. Step 3: Cross multiply
    150,645.28x = 207,897.04 × 90,225.76
  4. Step 4: Simplify right side
    150,645.28x = 18,757,668,435.75
  5. Step 5: Solve for x
    x = 18,757,668,435.75/150,645.28
  6. Step 6: Final answer
    x = 124,515.47

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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.