Home / 146,438.52-202,082.74-81,909.26

Finding the Fourth Proportional to 146,438.52, 202,082.74 and 81,909.26

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Solution

The fourth proportional to 146,438.52, 202,082.74 and 81,909.26 is: 113,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,438.52 : 202,082.74 = 81,909.26 : x
  2. Step 2: Convert to fraction form
    146,438.52/202,082.74 = 81,909.26/x
  3. Step 3: Cross multiply
    146,438.52x = 202,082.74 × 81,909.26
  4. Step 4: Simplify right side
    146,438.52x = 16,552,447,692.17
  5. Step 5: Solve for x
    x = 16,552,447,692.17/146,438.52
  6. Step 6: Final answer
    x = 113,033.43

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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.