Home / 117,251.48-161,814.98-66,246.52

Finding the Fourth Proportional to 117,251.48, 161,814.98 and 66,246.52

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Solution

The fourth proportional to 117,251.48, 161,814.98 and 66,246.52 is: 91,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,251.48 : 161,814.98 = 66,246.52 : x
  2. Step 2: Convert to fraction form
    117,251.48/161,814.98 = 66,246.52/x
  3. Step 3: Cross multiply
    117,251.48x = 161,814.98 × 66,246.52
  4. Step 4: Simplify right side
    117,251.48x = 10,719,679,308.87
  5. Step 5: Solve for x
    x = 10,719,679,308.87/117,251.48
  6. Step 6: Final answer
    x = 91,424.68

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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.