Home / 97,264.10-145,896.17-75,109.79

Finding the Fourth Proportional to 97,264.10, 145,896.17 and 75,109.79

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Solution

The fourth proportional to 97,264.10, 145,896.17 and 75,109.79 is: 112,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,264.10 : 145,896.17 = 75,109.79 : x
  2. Step 2: Convert to fraction form
    97,264.10/145,896.17 = 75,109.79/x
  3. Step 3: Cross multiply
    97,264.10x = 145,896.17 × 75,109.79
  4. Step 4: Simplify right side
    97,264.10x = 10,958,230,679.70
  5. Step 5: Solve for x
    x = 10,958,230,679.70/97,264.10
  6. Step 6: Final answer
    x = 112,664.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.