Home / 185,764.40-278,558.76-71,965.52

Finding the Fourth Proportional to 185,764.40, 278,558.76 and 71,965.52

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Solution

The fourth proportional to 185,764.40, 278,558.76 and 71,965.52 is: 107,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,764.40 : 278,558.76 = 71,965.52 : x
  2. Step 2: Convert to fraction form
    185,764.40/278,558.76 = 71,965.52/x
  3. Step 3: Cross multiply
    185,764.40x = 278,558.76 × 71,965.52
  4. Step 4: Simplify right side
    185,764.40x = 20,046,626,013.96
  5. Step 5: Solve for x
    x = 20,046,626,013.96/185,764.40
  6. Step 6: Final answer
    x = 107,914.25

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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.