Home / 239,962.72-359,987.82-120,082.36

Finding the Fourth Proportional to 239,962.72, 359,987.82 and 120,082.36

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Solution

The fourth proportional to 239,962.72, 359,987.82 and 120,082.36 is: 180,145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,962.72 : 359,987.82 = 120,082.36 : x
  2. Step 2: Convert to fraction form
    239,962.72/359,987.82 = 120,082.36/x
  3. Step 3: Cross multiply
    239,962.72x = 359,987.82 × 120,082.36
  4. Step 4: Simplify right side
    239,962.72x = 43,228,186,996.86
  5. Step 5: Solve for x
    x = 43,228,186,996.86/239,962.72
  6. Step 6: Final answer
    x = 180,145.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.