Home / 199,641.90-275,508.50-108,996.83

Finding the Fourth Proportional to 199,641.90, 275,508.50 and 108,996.83

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Solution

The fourth proportional to 199,641.90, 275,508.50 and 108,996.83 is: 150,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,641.90 : 275,508.50 = 108,996.83 : x
  2. Step 2: Convert to fraction form
    199,641.90/275,508.50 = 108,996.83/x
  3. Step 3: Cross multiply
    199,641.90x = 275,508.50 × 108,996.83
  4. Step 4: Simplify right side
    199,641.90x = 30,029,551,215.53
  5. Step 5: Solve for x
    x = 30,029,551,215.53/199,641.90
  6. Step 6: Final answer
    x = 150,417.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.