Home / 170,869.60-256,255.98-70,906.15

Finding the Fourth Proportional to 170,869.60, 256,255.98 and 70,906.15

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Solution

The fourth proportional to 170,869.60, 256,255.98 and 70,906.15 is: 106,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,869.60 : 256,255.98 = 70,906.15 : x
  2. Step 2: Convert to fraction form
    170,869.60/256,255.98 = 70,906.15/x
  3. Step 3: Cross multiply
    170,869.60x = 256,255.98 × 70,906.15
  4. Step 4: Simplify right side
    170,869.60x = 18,170,124,956.28
  5. Step 5: Solve for x
    x = 18,170,124,956.28/170,869.60
  6. Step 6: Final answer
    x = 106,339.13

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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.