Home / 185,890.12-278,834.61-52,770.47

Finding the Fourth Proportional to 185,890.12, 278,834.61 and 52,770.47

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Solution

The fourth proportional to 185,890.12, 278,834.61 and 52,770.47 is: 79,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,890.12 : 278,834.61 = 52,770.47 : x
  2. Step 2: Convert to fraction form
    185,890.12/278,834.61 = 52,770.47/x
  3. Step 3: Cross multiply
    185,890.12x = 278,834.61 × 52,770.47
  4. Step 4: Simplify right side
    185,890.12x = 14,714,232,461.03
  5. Step 5: Solve for x
    x = 14,714,232,461.03/185,890.12
  6. Step 6: Final answer
    x = 79,155.54

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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.