Home / 112,223.85-168,335.97-89,876.67

Finding the Fourth Proportional to 112,223.85, 168,335.97 and 89,876.67

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Solution

The fourth proportional to 112,223.85, 168,335.97 and 89,876.67 is: 134,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,223.85 : 168,335.97 = 89,876.67 : x
  2. Step 2: Convert to fraction form
    112,223.85/168,335.97 = 89,876.67/x
  3. Step 3: Cross multiply
    112,223.85x = 168,335.97 × 89,876.67
  4. Step 4: Simplify right side
    112,223.85x = 15,129,476,101.38
  5. Step 5: Solve for x
    x = 15,129,476,101.38/112,223.85
  6. Step 6: Final answer
    x = 134,815.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.