Home / 137,260.20-205,890.30-48,613.80

Finding the Fourth Proportional to 137,260.20, 205,890.30 and 48,613.80

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Solution

The fourth proportional to 137,260.20, 205,890.30 and 48,613.80 is: 72,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,260.20 : 205,890.30 = 48,613.80 : x
  2. Step 2: Convert to fraction form
    137,260.20/205,890.30 = 48,613.80/x
  3. Step 3: Cross multiply
    137,260.20x = 205,890.30 × 48,613.80
  4. Step 4: Simplify right side
    137,260.20x = 10,009,109,866.14
  5. Step 5: Solve for x
    x = 10,009,109,866.14/137,260.20
  6. Step 6: Final answer
    x = 72,920.70

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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.