Home / 119,199.39-178,759.29-48,103.66

Finding the Fourth Proportional to 119,199.39, 178,759.29 and 48,103.66

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Solution

The fourth proportional to 119,199.39, 178,759.29 and 48,103.66 is: 72,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,199.39 : 178,759.29 = 48,103.66 : x
  2. Step 2: Convert to fraction form
    119,199.39/178,759.29 = 48,103.66/x
  3. Step 3: Cross multiply
    119,199.39x = 178,759.29 × 48,103.66
  4. Step 4: Simplify right side
    119,199.39x = 8,598,976,108.00
  5. Step 5: Solve for x
    x = 8,598,976,108.00/119,199.39
  6. Step 6: Final answer
    x = 72,139.43

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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.