Home / 120,102.04-165,757.29-69,113.72

Finding the Fourth Proportional to 120,102.04, 165,757.29 and 69,113.72

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Solution

The fourth proportional to 120,102.04, 165,757.29 and 69,113.72 is: 95,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,102.04 : 165,757.29 = 69,113.72 : x
  2. Step 2: Convert to fraction form
    120,102.04/165,757.29 = 69,113.72/x
  3. Step 3: Cross multiply
    120,102.04x = 165,757.29 × 69,113.72
  4. Step 4: Simplify right side
    120,102.04x = 11,456,103,084.24
  5. Step 5: Solve for x
    x = 11,456,103,084.24/120,102.04
  6. Step 6: Final answer
    x = 95,386.41

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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.