Home / 113,139.96-169,710.60-38,260.64

Finding the Fourth Proportional to 113,139.96, 169,710.60 and 38,260.64

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Solution

The fourth proportional to 113,139.96, 169,710.60 and 38,260.64 is: 57,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,139.96 : 169,710.60 = 38,260.64 : x
  2. Step 2: Convert to fraction form
    113,139.96/169,710.60 = 38,260.64/x
  3. Step 3: Cross multiply
    113,139.96x = 169,710.60 × 38,260.64
  4. Step 4: Simplify right side
    113,139.96x = 6,493,236,170.78
  5. Step 5: Solve for x
    x = 6,493,236,170.78/113,139.96
  6. Step 6: Final answer
    x = 57,391.18

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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.