Home / 120,024.30-165,680.19-107,427.18

Finding the Fourth Proportional to 120,024.30, 165,680.19 and 107,427.18

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Solution

The fourth proportional to 120,024.30, 165,680.19 and 107,427.18 is: 148,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,024.30 : 165,680.19 = 107,427.18 : x
  2. Step 2: Convert to fraction form
    120,024.30/165,680.19 = 107,427.18/x
  3. Step 3: Cross multiply
    120,024.30x = 165,680.19 × 107,427.18
  4. Step 4: Simplify right side
    120,024.30x = 17,798,555,593.56
  5. Step 5: Solve for x
    x = 17,798,555,593.56/120,024.30
  6. Step 6: Final answer
    x = 148,291.27

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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.