Home / 150,592.04-207,782.13-90,139.70

Finding the Fourth Proportional to 150,592.04, 207,782.13 and 90,139.70

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Solution

The fourth proportional to 150,592.04, 207,782.13 and 90,139.70 is: 124,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,592.04 : 207,782.13 = 90,139.70 : x
  2. Step 2: Convert to fraction form
    150,592.04/207,782.13 = 90,139.70/x
  3. Step 3: Cross multiply
    150,592.04x = 207,782.13 × 90,139.70
  4. Step 4: Simplify right side
    150,592.04x = 18,729,418,863.56
  5. Step 5: Solve for x
    x = 18,729,418,863.56/150,592.04
  6. Step 6: Final answer
    x = 124,371.90

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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.