Home / 97,486.70-134,564.34-69,143.18

Finding the Fourth Proportional to 97,486.70, 134,564.34 and 69,143.18

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Solution

The fourth proportional to 97,486.70, 134,564.34 and 69,143.18 is: 95,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,486.70 : 134,564.34 = 69,143.18 : x
  2. Step 2: Convert to fraction form
    97,486.70/134,564.34 = 69,143.18/x
  3. Step 3: Cross multiply
    97,486.70x = 134,564.34 × 69,143.18
  4. Step 4: Simplify right side
    97,486.70x = 9,304,206,382.20
  5. Step 5: Solve for x
    x = 9,304,206,382.20/97,486.70
  6. Step 6: Final answer
    x = 95,440.78

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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.