Home / 113,876.20-170,814.30-112,126.60

Finding the Fourth Proportional to 113,876.20, 170,814.30 and 112,126.60

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Solution

The fourth proportional to 113,876.20, 170,814.30 and 112,126.60 is: 168,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,876.20 : 170,814.30 = 112,126.60 : x
  2. Step 2: Convert to fraction form
    113,876.20/170,814.30 = 112,126.60/x
  3. Step 3: Cross multiply
    113,876.20x = 170,814.30 × 112,126.60
  4. Step 4: Simplify right side
    113,876.20x = 19,152,826,690.38
  5. Step 5: Solve for x
    x = 19,152,826,690.38/113,876.20
  6. Step 6: Final answer
    x = 168,189.90

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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.