Home / 168,759.40-253,139.10-105,773.80

Finding the Fourth Proportional to 168,759.40, 253,139.10 and 105,773.80

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Solution

The fourth proportional to 168,759.40, 253,139.10 and 105,773.80 is: 158,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,759.40 : 253,139.10 = 105,773.80 : x
  2. Step 2: Convert to fraction form
    168,759.40/253,139.10 = 105,773.80/x
  3. Step 3: Cross multiply
    168,759.40x = 253,139.10 × 105,773.80
  4. Step 4: Simplify right side
    168,759.40x = 26,775,484,535.58
  5. Step 5: Solve for x
    x = 26,775,484,535.58/168,759.40
  6. Step 6: Final answer
    x = 158,660.70

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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.