Home / 113,146.13-169,719.18-28,906.47

Finding the Fourth Proportional to 113,146.13, 169,719.18 and 28,906.47

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Solution

The fourth proportional to 113,146.13, 169,719.18 and 28,906.47 is: 43,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,146.13 : 169,719.18 = 28,906.47 : x
  2. Step 2: Convert to fraction form
    113,146.13/169,719.18 = 28,906.47/x
  3. Step 3: Cross multiply
    113,146.13x = 169,719.18 × 28,906.47
  4. Step 4: Simplify right side
    113,146.13x = 4,905,982,385.09
  5. Step 5: Solve for x
    x = 4,905,982,385.09/113,146.13
  6. Step 6: Final answer
    x = 43,359.70

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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.