Home / 137,320.20-205,980.30-48,673.80

Finding the Fourth Proportional to 137,320.20, 205,980.30 and 48,673.80

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Solution

The fourth proportional to 137,320.20, 205,980.30 and 48,673.80 is: 73,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,320.20 : 205,980.30 = 48,673.80 : x
  2. Step 2: Convert to fraction form
    137,320.20/205,980.30 = 48,673.80/x
  3. Step 3: Cross multiply
    137,320.20x = 205,980.30 × 48,673.80
  4. Step 4: Simplify right side
    137,320.20x = 10,025,843,926.14
  5. Step 5: Solve for x
    x = 10,025,843,926.14/137,320.20
  6. Step 6: Final answer
    x = 73,010.70

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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.