Home / 155,049.60-232,574.40-49,879.20

Finding the Fourth Proportional to 155,049.60, 232,574.40 and 49,879.20

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Solution

The fourth proportional to 155,049.60, 232,574.40 and 49,879.20 is: 74,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,049.60 : 232,574.40 = 49,879.20 : x
  2. Step 2: Convert to fraction form
    155,049.60/232,574.40 = 49,879.20/x
  3. Step 3: Cross multiply
    155,049.60x = 232,574.40 × 49,879.20
  4. Step 4: Simplify right side
    155,049.60x = 11,600,625,012.48
  5. Step 5: Solve for x
    x = 11,600,625,012.48/155,049.60
  6. Step 6: Final answer
    x = 74,818.80

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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.