Home / 136,221.80-204,381.90-69,693.26

Finding the Fourth Proportional to 136,221.80, 204,381.90 and 69,693.26

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Solution

The fourth proportional to 136,221.80, 204,381.90 and 69,693.26 is: 104,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,221.80 : 204,381.90 = 69,693.26 : x
  2. Step 2: Convert to fraction form
    136,221.80/204,381.90 = 69,693.26/x
  3. Step 3: Cross multiply
    136,221.80x = 204,381.90 × 69,693.26
  4. Step 4: Simplify right side
    136,221.80x = 14,244,040,895.99
  5. Step 5: Solve for x
    x = 14,244,040,895.99/136,221.80
  6. Step 6: Final answer
    x = 104,565.06

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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.