Home / 120,439.03-166,138.90-94,851.13

Finding the Fourth Proportional to 120,439.03, 166,138.90 and 94,851.13

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Solution

The fourth proportional to 120,439.03, 166,138.90 and 94,851.13 is: 130,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,439.03 : 166,138.90 = 94,851.13 : x
  2. Step 2: Convert to fraction form
    120,439.03/166,138.90 = 94,851.13/x
  3. Step 3: Cross multiply
    120,439.03x = 166,138.90 × 94,851.13
  4. Step 4: Simplify right side
    120,439.03x = 15,758,462,401.96
  5. Step 5: Solve for x
    x = 15,758,462,401.96/120,439.03
  6. Step 6: Final answer
    x = 130,841.82

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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.