Home / 159,026.03-219,452.17-86,427.20

Finding the Fourth Proportional to 159,026.03, 219,452.17 and 86,427.20

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Solution

The fourth proportional to 159,026.03, 219,452.17 and 86,427.20 is: 119,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,026.03 : 219,452.17 = 86,427.20 : x
  2. Step 2: Convert to fraction form
    159,026.03/219,452.17 = 86,427.20/x
  3. Step 3: Cross multiply
    159,026.03x = 219,452.17 × 86,427.20
  4. Step 4: Simplify right side
    159,026.03x = 18,966,635,273.70
  5. Step 5: Solve for x
    x = 18,966,635,273.70/159,026.03
  6. Step 6: Final answer
    x = 119,267.49

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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.