Home / 170,861.70-256,292.55-158,420.10

Finding the Fourth Proportional to 170,861.70, 256,292.55 and 158,420.10

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Solution

The fourth proportional to 170,861.70, 256,292.55 and 158,420.10 is: 237,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,861.70 : 256,292.55 = 158,420.10 : x
  2. Step 2: Convert to fraction form
    170,861.70/256,292.55 = 158,420.10/x
  3. Step 3: Cross multiply
    170,861.70x = 256,292.55 × 158,420.10
  4. Step 4: Simplify right side
    170,861.70x = 40,601,891,400.26
  5. Step 5: Solve for x
    x = 40,601,891,400.26/170,861.70
  6. Step 6: Final answer
    x = 237,630.15

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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.