Home / 239,189.04-330,082.56-137,218.95

Finding the Fourth Proportional to 239,189.04, 330,082.56 and 137,218.95

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Solution

The fourth proportional to 239,189.04, 330,082.56 and 137,218.95 is: 189,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,189.04 : 330,082.56 = 137,218.95 : x
  2. Step 2: Convert to fraction form
    239,189.04/330,082.56 = 137,218.95/x
  3. Step 3: Cross multiply
    239,189.04x = 330,082.56 × 137,218.95
  4. Step 4: Simplify right side
    239,189.04x = 45,293,582,296.51
  5. Step 5: Solve for x
    x = 45,293,582,296.51/239,189.04
  6. Step 6: Final answer
    x = 189,363.12

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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.