Home / 155,757.12-233,480.39-65,822.51

Finding the Fourth Proportional to 155,757.12, 233,480.39 and 65,822.51

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Solution

The fourth proportional to 155,757.12, 233,480.39 and 65,822.51 is: 98,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,757.12 : 233,480.39 = 65,822.51 : x
  2. Step 2: Convert to fraction form
    155,757.12/233,480.39 = 65,822.51/x
  3. Step 3: Cross multiply
    155,757.12x = 233,480.39 × 65,822.51
  4. Step 4: Simplify right side
    155,757.12x = 15,368,265,305.58
  5. Step 5: Solve for x
    x = 15,368,265,305.58/155,757.12
  6. Step 6: Final answer
    x = 98,668.14

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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.