Home / 104,970.28-144,853.62-57,218.92

Finding the Fourth Proportional to 104,970.28, 144,853.62 and 57,218.92

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Solution

The fourth proportional to 104,970.28, 144,853.62 and 57,218.92 is: 78,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,970.28 : 144,853.62 = 57,218.92 : x
  2. Step 2: Convert to fraction form
    104,970.28/144,853.62 = 57,218.92/x
  3. Step 3: Cross multiply
    104,970.28x = 144,853.62 × 57,218.92
  4. Step 4: Simplify right side
    104,970.28x = 8,288,367,694.49
  5. Step 5: Solve for x
    x = 8,288,367,694.49/104,970.28
  6. Step 6: Final answer
    x = 78,959.18

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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.