Home / 84,264.18-126,395.84-21,934.68

Finding the Fourth Proportional to 84,264.18, 126,395.84 and 21,934.68

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Solution

The fourth proportional to 84,264.18, 126,395.84 and 21,934.68 is: 32,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,264.18 : 126,395.84 = 21,934.68 : x
  2. Step 2: Convert to fraction form
    84,264.18/126,395.84 = 21,934.68/x
  3. Step 3: Cross multiply
    84,264.18x = 126,395.84 × 21,934.68
  4. Step 4: Simplify right side
    84,264.18x = 2,772,452,303.73
  5. Step 5: Solve for x
    x = 2,772,452,303.73/84,264.18
  6. Step 6: Final answer
    x = 32,901.91

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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.