Home / 119,275.68-178,780.20-51,729.75

Finding the Fourth Proportional to 119,275.68, 178,780.20 and 51,729.75

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Solution

The fourth proportional to 119,275.68, 178,780.20 and 51,729.75 is: 77,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,275.68 : 178,780.20 = 51,729.75 : x
  2. Step 2: Convert to fraction form
    119,275.68/178,780.20 = 51,729.75/x
  3. Step 3: Cross multiply
    119,275.68x = 178,780.20 × 51,729.75
  4. Step 4: Simplify right side
    119,275.68x = 9,248,255,050.95
  5. Step 5: Solve for x
    x = 9,248,255,050.95/119,275.68
  6. Step 6: Final answer
    x = 77,536.80

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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.