Home / 113,910.67-170,902.57-54,750.63

Finding the Fourth Proportional to 113,910.67, 170,902.57 and 54,750.63

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Solution

The fourth proportional to 113,910.67, 170,902.57 and 54,750.63 is: 82,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,910.67 : 170,902.57 = 54,750.63 : x
  2. Step 2: Convert to fraction form
    113,910.67/170,902.57 = 54,750.63/x
  3. Step 3: Cross multiply
    113,910.67x = 170,902.57 × 54,750.63
  4. Step 4: Simplify right side
    113,910.67x = 9,357,023,102.37
  5. Step 5: Solve for x
    x = 9,357,023,102.37/113,910.67
  6. Step 6: Final answer
    x = 82,143.52

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1.5x scale

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.