Home / 158,355.38-218,447.60-97,906.70

Finding the Fourth Proportional to 158,355.38, 218,447.60 and 97,906.70

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Solution

The fourth proportional to 158,355.38, 218,447.60 and 97,906.70 is: 135,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,355.38 : 218,447.60 = 97,906.70 : x
  2. Step 2: Convert to fraction form
    158,355.38/218,447.60 = 97,906.70/x
  3. Step 3: Cross multiply
    158,355.38x = 218,447.60 × 97,906.70
  4. Step 4: Simplify right side
    158,355.38x = 21,387,483,638.92
  5. Step 5: Solve for x
    x = 21,387,483,638.92/158,355.38
  6. Step 6: Final answer
    x = 135,060.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.