Home / 170,889.34-256,377.78-52,561.72

Finding the Fourth Proportional to 170,889.34, 256,377.78 and 52,561.72

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Solution

The fourth proportional to 170,889.34, 256,377.78 and 52,561.72 is: 78,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,889.34 : 256,377.78 = 52,561.72 : x
  2. Step 2: Convert to fraction form
    170,889.34/256,377.78 = 52,561.72/x
  3. Step 3: Cross multiply
    170,889.34x = 256,377.78 × 52,561.72
  4. Step 4: Simplify right side
    170,889.34x = 13,475,657,086.58
  5. Step 5: Solve for x
    x = 13,475,657,086.58/170,889.34
  6. Step 6: Final answer
    x = 78,856.04

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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.