Home / 115,932.28-173,641.52-89,080.60

Finding the Fourth Proportional to 115,932.28, 173,641.52 and 89,080.60

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Solution

The fourth proportional to 115,932.28, 173,641.52 and 89,080.60 is: 133,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,932.28 : 173,641.52 = 89,080.60 : x
  2. Step 2: Convert to fraction form
    115,932.28/173,641.52 = 89,080.60/x
  3. Step 3: Cross multiply
    115,932.28x = 173,641.52 × 89,080.60
  4. Step 4: Simplify right side
    115,932.28x = 15,468,090,786.51
  5. Step 5: Solve for x
    x = 15,468,090,786.51/115,932.28
  6. Step 6: Final answer
    x = 133,423.50

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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.