Home / 648,081.15-972,121.82-174,766.56

Finding the Fourth Proportional to 648,081.15, 972,121.82 and 174,766.56

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Solution

The fourth proportional to 648,081.15, 972,121.82 and 174,766.56 is: 262,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,081.15 : 972,121.82 = 174,766.56 : x
  2. Step 2: Convert to fraction form
    648,081.15/972,121.82 = 174,766.56/x
  3. Step 3: Cross multiply
    648,081.15x = 972,121.82 × 174,766.56
  4. Step 4: Simplify right side
    648,081.15x = 169,894,386,382.34
  5. Step 5: Solve for x
    x = 169,894,386,382.34/648,081.15
  6. Step 6: Final answer
    x = 262,149.87

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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.