Home / 239,681.16-330,748.92-137,634.83

Finding the Fourth Proportional to 239,681.16, 330,748.92 and 137,634.83

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Solution

The fourth proportional to 239,681.16, 330,748.92 and 137,634.83 is: 189,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,681.16 : 330,748.92 = 137,634.83 : x
  2. Step 2: Convert to fraction form
    239,681.16/330,748.92 = 137,634.83/x
  3. Step 3: Cross multiply
    239,681.16x = 330,748.92 × 137,634.83
  4. Step 4: Simplify right side
    239,681.16x = 45,522,570,963.45
  5. Step 5: Solve for x
    x = 45,522,570,963.45/239,681.16
  6. Step 6: Final answer
    x = 189,929.70

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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.