Home / 113,010.78-169,520.97-38,132.70

Finding the Fourth Proportional to 113,010.78, 169,520.97 and 38,132.70

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Solution

The fourth proportional to 113,010.78, 169,520.97 and 38,132.70 is: 57,200.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,010.78 : 169,520.97 = 38,132.70 : x
  2. Step 2: Convert to fraction form
    113,010.78/169,520.97 = 38,132.70/x
  3. Step 3: Cross multiply
    113,010.78x = 169,520.97 × 38,132.70
  4. Step 4: Simplify right side
    113,010.78x = 6,464,292,292.72
  5. Step 5: Solve for x
    x = 6,464,292,292.72/113,010.78
  6. Step 6: Final answer
    x = 57,200.67

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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.