Home / 97,284.79-134,243.17-71,805.07

Finding the Fourth Proportional to 97,284.79, 134,243.17 and 71,805.07

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Solution

The fourth proportional to 97,284.79, 134,243.17 and 71,805.07 is: 99,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,284.79 : 134,243.17 = 71,805.07 : x
  2. Step 2: Convert to fraction form
    97,284.79/134,243.17 = 71,805.07/x
  3. Step 3: Cross multiply
    97,284.79x = 134,243.17 × 71,805.07
  4. Step 4: Simplify right side
    97,284.79x = 9,639,340,218.87
  5. Step 5: Solve for x
    x = 9,639,340,218.87/97,284.79
  6. Step 6: Final answer
    x = 99,083.73

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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.