Home / 179,228.12-268,881.20-54,565.88

Finding the Fourth Proportional to 179,228.12, 268,881.20 and 54,565.88

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Solution

The fourth proportional to 179,228.12, 268,881.20 and 54,565.88 is: 81,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,228.12 : 268,881.20 = 54,565.88 : x
  2. Step 2: Convert to fraction form
    179,228.12/268,881.20 = 54,565.88/x
  3. Step 3: Cross multiply
    179,228.12x = 268,881.20 × 54,565.88
  4. Step 4: Simplify right side
    179,228.12x = 14,671,739,293.46
  5. Step 5: Solve for x
    x = 14,671,739,293.46/179,228.12
  6. Step 6: Final answer
    x = 81,860.70

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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.