Home / 156,839.10-235,258.65-107,072.70

Finding the Fourth Proportional to 156,839.10, 235,258.65 and 107,072.70

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Solution

The fourth proportional to 156,839.10, 235,258.65 and 107,072.70 is: 160,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,839.10 : 235,258.65 = 107,072.70 : x
  2. Step 2: Convert to fraction form
    156,839.10/235,258.65 = 107,072.70/x
  3. Step 3: Cross multiply
    156,839.10x = 235,258.65 × 107,072.70
  4. Step 4: Simplify right side
    156,839.10x = 25,189,778,853.86
  5. Step 5: Solve for x
    x = 25,189,778,853.86/156,839.10
  6. Step 6: Final answer
    x = 160,609.05

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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.