Home / 127,089.36-175,385.66-69,731.64

Finding the Fourth Proportional to 127,089.36, 175,385.66 and 69,731.64

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Solution

The fourth proportional to 127,089.36, 175,385.66 and 69,731.64 is: 96,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,089.36 : 175,385.66 = 69,731.64 : x
  2. Step 2: Convert to fraction form
    127,089.36/175,385.66 = 69,731.64/x
  3. Step 3: Cross multiply
    127,089.36x = 175,385.66 × 69,731.64
  4. Step 4: Simplify right side
    127,089.36x = 12,229,929,355.62
  5. Step 5: Solve for x
    x = 12,229,929,355.62/127,089.36
  6. Step 6: Final answer
    x = 96,230.95

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1.5x scale

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.