Home / 158,848.05-219,211.83-87,229.57

Finding the Fourth Proportional to 158,848.05, 219,211.83 and 87,229.57

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Solution

The fourth proportional to 158,848.05, 219,211.83 and 87,229.57 is: 120,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,848.05 : 219,211.83 = 87,229.57 : x
  2. Step 2: Convert to fraction form
    158,848.05/219,211.83 = 87,229.57/x
  3. Step 3: Cross multiply
    158,848.05x = 219,211.83 × 87,229.57
  4. Step 4: Simplify right side
    158,848.05x = 19,121,753,669.81
  5. Step 5: Solve for x
    x = 19,121,753,669.81/158,848.05
  6. Step 6: Final answer
    x = 120,377.64

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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.