Home / 239,233.13-330,189.53-137,327.48

Finding the Fourth Proportional to 239,233.13, 330,189.53 and 137,327.48

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Solution

The fourth proportional to 239,233.13, 330,189.53 and 137,327.48 is: 189,539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,233.13 : 330,189.53 = 137,327.48 : x
  2. Step 2: Convert to fraction form
    239,233.13/330,189.53 = 137,327.48/x
  3. Step 3: Cross multiply
    239,233.13x = 330,189.53 × 137,327.48
  4. Step 4: Simplify right side
    239,233.13x = 45,344,096,077.28
  5. Step 5: Solve for x
    x = 45,344,096,077.28/239,233.13
  6. Step 6: Final answer
    x = 189,539.37

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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.