Home / 170,439.80-255,659.70-96,711.80

Finding the Fourth Proportional to 170,439.80, 255,659.70 and 96,711.80

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Solution

The fourth proportional to 170,439.80, 255,659.70 and 96,711.80 is: 145,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,439.80 : 255,659.70 = 96,711.80 : x
  2. Step 2: Convert to fraction form
    170,439.80/255,659.70 = 96,711.80/x
  3. Step 3: Cross multiply
    170,439.80x = 255,659.70 × 96,711.80
  4. Step 4: Simplify right side
    170,439.80x = 24,725,309,774.46
  5. Step 5: Solve for x
    x = 24,725,309,774.46/170,439.80
  6. Step 6: Final answer
    x = 145,067.70

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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.