Home / 175,739.80-263,480.10-75,818.20

Finding the Fourth Proportional to 175,739.80, 263,480.10 and 75,818.20

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Solution

The fourth proportional to 175,739.80, 263,480.10 and 75,818.20 is: 113,671.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,739.80 : 263,480.10 = 75,818.20 : x
  2. Step 2: Convert to fraction form
    175,739.80/263,480.10 = 75,818.20/x
  3. Step 3: Cross multiply
    175,739.80x = 263,480.10 × 75,818.20
  4. Step 4: Simplify right side
    175,739.80x = 19,976,586,917.82
  5. Step 5: Solve for x
    x = 19,976,586,917.82/175,739.80
  6. Step 6: Final answer
    x = 113,671.39

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1.5x scale

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.