Home / 170,888.20-256,332.30-82,314.70

Finding the Fourth Proportional to 170,888.20, 256,332.30 and 82,314.70

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Solution

The fourth proportional to 170,888.20, 256,332.30 and 82,314.70 is: 123,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,888.20 : 256,332.30 = 82,314.70 : x
  2. Step 2: Convert to fraction form
    170,888.20/256,332.30 = 82,314.70/x
  3. Step 3: Cross multiply
    170,888.20x = 256,332.30 × 82,314.70
  4. Step 4: Simplify right side
    170,888.20x = 21,099,916,374.81
  5. Step 5: Solve for x
    x = 21,099,916,374.81/170,888.20
  6. Step 6: Final answer
    x = 123,472.05

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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.