Home / 150,427.24-207,538.68-86,763.40

Finding the Fourth Proportional to 150,427.24, 207,538.68 and 86,763.40

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Solution

The fourth proportional to 150,427.24, 207,538.68 and 86,763.40 is: 119,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,427.24 : 207,538.68 = 86,763.40 : x
  2. Step 2: Convert to fraction form
    150,427.24/207,538.68 = 86,763.40/x
  3. Step 3: Cross multiply
    150,427.24x = 207,538.68 × 86,763.40
  4. Step 4: Simplify right side
    150,427.24x = 18,006,761,508.31
  5. Step 5: Solve for x
    x = 18,006,761,508.31/150,427.24
  6. Step 6: Final answer
    x = 119,704.13

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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.