Home / 239,260.49-330,186.95-137,304.60

Finding the Fourth Proportional to 239,260.49, 330,186.95 and 137,304.60

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Solution

The fourth proportional to 239,260.49, 330,186.95 and 137,304.60 is: 189,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,260.49 : 330,186.95 = 137,304.60 : x
  2. Step 2: Convert to fraction form
    239,260.49/330,186.95 = 137,304.60/x
  3. Step 3: Cross multiply
    239,260.49x = 330,186.95 × 137,304.60
  4. Step 4: Simplify right side
    239,260.49x = 45,336,187,094.97
  5. Step 5: Solve for x
    x = 45,336,187,094.97/239,260.49
  6. Step 6: Final answer
    x = 189,484.64

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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.