Home / 115,264.96-172,667.40-55,920.58

Finding the Fourth Proportional to 115,264.96, 172,667.40 and 55,920.58

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Solution

The fourth proportional to 115,264.96, 172,667.40 and 55,920.58 is: 83,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,264.96 : 172,667.40 = 55,920.58 : x
  2. Step 2: Convert to fraction form
    115,264.96/172,667.40 = 55,920.58/x
  3. Step 3: Cross multiply
    115,264.96x = 172,667.40 × 55,920.58
  4. Step 4: Simplify right side
    115,264.96x = 9,655,661,155.09
  5. Step 5: Solve for x
    x = 9,655,661,155.09/115,264.96
  6. Step 6: Final answer
    x = 83,769.27

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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.