Home / 188,419.29-260,015.61-103,534.53

Finding the Fourth Proportional to 188,419.29, 260,015.61 and 103,534.53

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Solution

The fourth proportional to 188,419.29, 260,015.61 and 103,534.53 is: 142,876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,419.29 : 260,015.61 = 103,534.53 : x
  2. Step 2: Convert to fraction form
    188,419.29/260,015.61 = 103,534.53/x
  3. Step 3: Cross multiply
    188,419.29x = 260,015.61 × 103,534.53
  4. Step 4: Simplify right side
    188,419.29x = 26,920,593,974.01
  5. Step 5: Solve for x
    x = 26,920,593,974.01/188,419.29
  6. Step 6: Final answer
    x = 142,876.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.