Home / 124,730.18-187,169.08-45,899.76

Finding the Fourth Proportional to 124,730.18, 187,169.08 and 45,899.76

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Solution

The fourth proportional to 124,730.18, 187,169.08 and 45,899.76 is: 68,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,730.18 : 187,169.08 = 45,899.76 : x
  2. Step 2: Convert to fraction form
    124,730.18/187,169.08 = 45,899.76/x
  3. Step 3: Cross multiply
    124,730.18x = 187,169.08 × 45,899.76
  4. Step 4: Simplify right side
    124,730.18x = 8,591,015,851.42
  5. Step 5: Solve for x
    x = 8,591,015,851.42/124,730.18
  6. Step 6: Final answer
    x = 68,876.80

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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.