Home / 120,182.40-165,844.99-65,723.82

Finding the Fourth Proportional to 120,182.40, 165,844.99 and 65,723.82

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Solution

The fourth proportional to 120,182.40, 165,844.99 and 65,723.82 is: 90,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,182.40 : 165,844.99 = 65,723.82 : x
  2. Step 2: Convert to fraction form
    120,182.40/165,844.99 = 65,723.82/x
  3. Step 3: Cross multiply
    120,182.40x = 165,844.99 × 65,723.82
  4. Step 4: Simplify right side
    120,182.40x = 10,899,966,294.08
  5. Step 5: Solve for x
    x = 10,899,966,294.08/120,182.40
  6. Step 6: Final answer
    x = 90,695.20

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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.