Home / 155,513.01-214,711.25-119,639.73

Finding the Fourth Proportional to 155,513.01, 214,711.25 and 119,639.73

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Solution

The fourth proportional to 155,513.01, 214,711.25 and 119,639.73 is: 165,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,513.01 : 214,711.25 = 119,639.73 : x
  2. Step 2: Convert to fraction form
    155,513.01/214,711.25 = 119,639.73/x
  3. Step 3: Cross multiply
    155,513.01x = 214,711.25 × 119,639.73
  4. Step 4: Simplify right side
    155,513.01x = 25,687,995,379.76
  5. Step 5: Solve for x
    x = 25,687,995,379.76/155,513.01
  6. Step 6: Final answer
    x = 165,182.29

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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.