Home / 158,353.38-218,444.85-97,904.70

Finding the Fourth Proportional to 158,353.38, 218,444.85 and 97,904.70

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Solution

The fourth proportional to 158,353.38, 218,444.85 and 97,904.70 is: 135,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,353.38 : 218,444.85 = 97,904.70 : x
  2. Step 2: Convert to fraction form
    158,353.38/218,444.85 = 97,904.70/x
  3. Step 3: Cross multiply
    158,353.38x = 218,444.85 × 97,904.70
  4. Step 4: Simplify right side
    158,353.38x = 21,386,777,505.80
  5. Step 5: Solve for x
    x = 21,386,777,505.80/158,353.38
  6. Step 6: Final answer
    x = 135,057.28

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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.