Home / 149,156.33-205,789.29-84,614.86

Finding the Fourth Proportional to 149,156.33, 205,789.29 and 84,614.86

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Solution

The fourth proportional to 149,156.33, 205,789.29 and 84,614.86 is: 116,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,156.33 : 205,789.29 = 84,614.86 : x
  2. Step 2: Convert to fraction form
    149,156.33/205,789.29 = 84,614.86/x
  3. Step 3: Cross multiply
    149,156.33x = 205,789.29 × 84,614.86
  4. Step 4: Simplify right side
    149,156.33x = 17,412,830,933.90
  5. Step 5: Solve for x
    x = 17,412,830,933.90/149,156.33
  6. Step 6: Final answer
    x = 116,742.15

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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.