Home / 86,158.48-118,815.78-55,932.52

Finding the Fourth Proportional to 86,158.48, 118,815.78 and 55,932.52

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Solution

The fourth proportional to 86,158.48, 118,815.78 and 55,932.52 is: 77,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,158.48 : 118,815.78 = 55,932.52 : x
  2. Step 2: Convert to fraction form
    86,158.48/118,815.78 = 55,932.52/x
  3. Step 3: Cross multiply
    86,158.48x = 118,815.78 × 55,932.52
  4. Step 4: Simplify right side
    86,158.48x = 6,645,665,991.17
  5. Step 5: Solve for x
    x = 6,645,665,991.17/86,158.48
  6. Step 6: Final answer
    x = 77,133.05

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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.