Home / 170,423.60-255,635.40-157,593.20

Finding the Fourth Proportional to 170,423.60, 255,635.40 and 157,593.20

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Solution

The fourth proportional to 170,423.60, 255,635.40 and 157,593.20 is: 236,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,423.60 : 255,635.40 = 157,593.20 : x
  2. Step 2: Convert to fraction form
    170,423.60/255,635.40 = 157,593.20/x
  3. Step 3: Cross multiply
    170,423.60x = 255,635.40 × 157,593.20
  4. Step 4: Simplify right side
    170,423.60x = 40,286,400,719.28
  5. Step 5: Solve for x
    x = 40,286,400,719.28/170,423.60
  6. Step 6: Final answer
    x = 236,389.80

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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.