Home / 151,122.64-208,545.06-82,209.81

Finding the Fourth Proportional to 151,122.64, 208,545.06 and 82,209.81

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Solution

The fourth proportional to 151,122.64, 208,545.06 and 82,209.81 is: 113,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,122.64 : 208,545.06 = 82,209.81 : x
  2. Step 2: Convert to fraction form
    151,122.64/208,545.06 = 82,209.81/x
  3. Step 3: Cross multiply
    151,122.64x = 208,545.06 × 82,209.81
  4. Step 4: Simplify right side
    151,122.64x = 17,144,449,759.04
  5. Step 5: Solve for x
    x = 17,144,449,759.04/151,122.64
  6. Step 6: Final answer
    x = 113,447.26

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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.