Home / 113,288.78-169,922.16-34,403.70

Finding the Fourth Proportional to 113,288.78, 169,922.16 and 34,403.70

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Solution

The fourth proportional to 113,288.78, 169,922.16 and 34,403.70 is: 51,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,288.78 : 169,922.16 = 34,403.70 : x
  2. Step 2: Convert to fraction form
    113,288.78/169,922.16 = 34,403.70/x
  3. Step 3: Cross multiply
    113,288.78x = 169,922.16 × 34,403.70
  4. Step 4: Simplify right side
    113,288.78x = 5,845,951,015.99
  5. Step 5: Solve for x
    x = 5,845,951,015.99/113,288.78
  6. Step 6: Final answer
    x = 51,602.21

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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.