Home / 158,380.14-218,481.72-97,931.46

Finding the Fourth Proportional to 158,380.14, 218,481.72 and 97,931.46

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Solution

The fourth proportional to 158,380.14, 218,481.72 and 97,931.46 is: 135,094.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,380.14 : 218,481.72 = 97,931.46 : x
  2. Step 2: Convert to fraction form
    158,380.14/218,481.72 = 97,931.46/x
  3. Step 3: Cross multiply
    158,380.14x = 218,481.72 × 97,931.46
  4. Step 4: Simplify right side
    158,380.14x = 21,396,233,822.91
  5. Step 5: Solve for x
    x = 21,396,233,822.91/158,380.14
  6. Step 6: Final answer
    x = 135,094.17

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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.