Home / 239,680.04-330,747.37-137,633.70

Finding the Fourth Proportional to 239,680.04, 330,747.37 and 137,633.70

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Solution

The fourth proportional to 239,680.04, 330,747.37 and 137,633.70 is: 189,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,680.04 : 330,747.37 = 137,633.70 : x
  2. Step 2: Convert to fraction form
    239,680.04/330,747.37 = 137,633.70/x
  3. Step 3: Cross multiply
    239,680.04x = 330,747.37 × 137,633.70
  4. Step 4: Simplify right side
    239,680.04x = 45,521,985,194.59
  5. Step 5: Solve for x
    x = 45,521,985,194.59/239,680.04
  6. Step 6: Final answer
    x = 189,928.15

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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.