Home / 239,818.47-330,940.82-132,386.20

Finding the Fourth Proportional to 239,818.47, 330,940.82 and 132,386.20

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Solution

The fourth proportional to 239,818.47, 330,940.82 and 132,386.20 is: 182,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,818.47 : 330,940.82 = 132,386.20 : x
  2. Step 2: Convert to fraction form
    239,818.47/330,940.82 = 132,386.20/x
  3. Step 3: Cross multiply
    239,818.47x = 330,940.82 × 132,386.20
  4. Step 4: Simplify right side
    239,818.47x = 43,811,997,253.72
  5. Step 5: Solve for x
    x = 43,811,997,253.72/239,818.47
  6. Step 6: Final answer
    x = 182,688.17

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1.5x scale

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.