Home / 146,439.29-202,082.04-81,904.57

Finding the Fourth Proportional to 146,439.29, 202,082.04 and 81,904.57

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Solution

The fourth proportional to 146,439.29, 202,082.04 and 81,904.57 is: 113,025.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,439.29 : 202,082.04 = 81,904.57 : x
  2. Step 2: Convert to fraction form
    146,439.29/202,082.04 = 81,904.57/x
  3. Step 3: Cross multiply
    146,439.29x = 202,082.04 × 81,904.57
  4. Step 4: Simplify right side
    146,439.29x = 16,551,442,085.72
  5. Step 5: Solve for x
    x = 16,551,442,085.72/146,439.29
  6. Step 6: Final answer
    x = 113,025.96

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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.