Home / 202,553.36-279,515.12-116,505.80

Finding the Fourth Proportional to 202,553.36, 279,515.12 and 116,505.80

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Solution

The fourth proportional to 202,553.36, 279,515.12 and 116,505.80 is: 160,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,553.36 : 279,515.12 = 116,505.80 : x
  2. Step 2: Convert to fraction form
    202,553.36/279,515.12 = 116,505.80/x
  3. Step 3: Cross multiply
    202,553.36x = 279,515.12 × 116,505.80
  4. Step 4: Simplify right side
    202,553.36x = 32,565,132,667.70
  5. Step 5: Solve for x
    x = 32,565,132,667.70/202,553.36
  6. Step 6: Final answer
    x = 160,773.11

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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.