Home / 239,761.46-330,881.61-137,820.02

Finding the Fourth Proportional to 239,761.46, 330,881.61 and 137,820.02

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Solution

The fourth proportional to 239,761.46, 330,881.61 and 137,820.02 is: 190,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,761.46 : 330,881.61 = 137,820.02 : x
  2. Step 2: Convert to fraction form
    239,761.46/330,881.61 = 137,820.02/x
  3. Step 3: Cross multiply
    239,761.46x = 330,881.61 × 137,820.02
  4. Step 4: Simplify right side
    239,761.46x = 45,602,110,107.83
  5. Step 5: Solve for x
    x = 45,602,110,107.83/239,761.46
  6. Step 6: Final answer
    x = 190,197.83

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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.