Home / 144,454.08-216,444.33-138,917.73

Finding the Fourth Proportional to 144,454.08, 216,444.33 and 138,917.73

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Solution

The fourth proportional to 144,454.08, 216,444.33 and 138,917.73 is: 208,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,454.08 : 216,444.33 = 138,917.73 : x
  2. Step 2: Convert to fraction form
    144,454.08/216,444.33 = 138,917.73/x
  3. Step 3: Cross multiply
    144,454.08x = 216,444.33 × 138,917.73
  4. Step 4: Simplify right side
    144,454.08x = 30,067,954,994.97
  5. Step 5: Solve for x
    x = 30,067,954,994.97/144,454.08
  6. Step 6: Final answer
    x = 208,148.88

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1.5x scale

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.