Home / 170,774.40-256,144.86-76,006.20

Finding the Fourth Proportional to 170,774.40, 256,144.86 and 76,006.20

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Solution

The fourth proportional to 170,774.40, 256,144.86 and 76,006.20 is: 114,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,774.40 : 256,144.86 = 76,006.20 : x
  2. Step 2: Convert to fraction form
    170,774.40/256,144.86 = 76,006.20/x
  3. Step 3: Cross multiply
    170,774.40x = 256,144.86 × 76,006.20
  4. Step 4: Simplify right side
    170,774.40x = 19,468,597,458.13
  5. Step 5: Solve for x
    x = 19,468,597,458.13/170,774.40
  6. Step 6: Final answer
    x = 114,001.85

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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.