Home / 84,238.47-126,283.68-34,360.56

Finding the Fourth Proportional to 84,238.47, 126,283.68 and 34,360.56

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Solution

The fourth proportional to 84,238.47, 126,283.68 and 34,360.56 is: 51,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,238.47 : 126,283.68 = 34,360.56 : x
  2. Step 2: Convert to fraction form
    84,238.47/126,283.68 = 34,360.56/x
  3. Step 3: Cross multiply
    84,238.47x = 126,283.68 × 34,360.56
  4. Step 4: Simplify right side
    84,238.47x = 4,339,177,963.66
  5. Step 5: Solve for x
    x = 4,339,177,963.66/84,238.47
  6. Step 6: Final answer
    x = 51,510.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.