Home / 158,982.12-219,397.07-87,362.16

Finding the Fourth Proportional to 158,982.12, 219,397.07 and 87,362.16

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Solution

The fourth proportional to 158,982.12, 219,397.07 and 87,362.16 is: 120,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,982.12 : 219,397.07 = 87,362.16 : x
  2. Step 2: Convert to fraction form
    158,982.12/219,397.07 = 87,362.16/x
  3. Step 3: Cross multiply
    158,982.12x = 219,397.07 × 87,362.16
  4. Step 4: Simplify right side
    158,982.12x = 19,167,001,932.87
  5. Step 5: Solve for x
    x = 19,167,001,932.87/158,982.12
  6. Step 6: Final answer
    x = 120,560.74

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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.