Home / 120,264.40-165,982.48-69,267.20

Finding the Fourth Proportional to 120,264.40, 165,982.48 and 69,267.20

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Solution

The fourth proportional to 120,264.40, 165,982.48 and 69,267.20 is: 95,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,264.40 : 165,982.48 = 69,267.20 : x
  2. Step 2: Convert to fraction form
    120,264.40/165,982.48 = 69,267.20/x
  3. Step 3: Cross multiply
    120,264.40x = 165,982.48 × 69,267.20
  4. Step 4: Simplify right side
    120,264.40x = 11,497,141,638.66
  5. Step 5: Solve for x
    x = 11,497,141,638.66/120,264.40
  6. Step 6: Final answer
    x = 95,598.88

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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.