Home / 107,917.97-148,937.87-64,911.29

Finding the Fourth Proportional to 107,917.97, 148,937.87 and 64,911.29

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Solution

The fourth proportional to 107,917.97, 148,937.87 and 64,911.29 is: 89,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,917.97 : 148,937.87 = 64,911.29 : x
  2. Step 2: Convert to fraction form
    107,917.97/148,937.87 = 64,911.29/x
  3. Step 3: Cross multiply
    107,917.97x = 148,937.87 × 64,911.29
  4. Step 4: Simplify right side
    107,917.97x = 9,667,748,689.14
  5. Step 5: Solve for x
    x = 9,667,748,689.14/107,917.97
  6. Step 6: Final answer
    x = 89,584.24

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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.