Home / 102,713.36-141,814.14-66,502.04

Finding the Fourth Proportional to 102,713.36, 141,814.14 and 66,502.04

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Solution

The fourth proportional to 102,713.36, 141,814.14 and 66,502.04 is: 91,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,713.36 : 141,814.14 = 66,502.04 : x
  2. Step 2: Convert to fraction form
    102,713.36/141,814.14 = 66,502.04/x
  3. Step 3: Cross multiply
    102,713.36x = 141,814.14 × 66,502.04
  4. Step 4: Simplify right side
    102,713.36x = 9,430,929,610.85
  5. Step 5: Solve for x
    x = 9,430,929,610.85/102,713.36
  6. Step 6: Final answer
    x = 91,817.94

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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.