Home / 127,080.74-175,376.91-76,101.77

Finding the Fourth Proportional to 127,080.74, 175,376.91 and 76,101.77

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Solution

The fourth proportional to 127,080.74, 175,376.91 and 76,101.77 is: 105,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,080.74 : 175,376.91 = 76,101.77 : x
  2. Step 2: Convert to fraction form
    127,080.74/175,376.91 = 76,101.77/x
  3. Step 3: Cross multiply
    127,080.74x = 175,376.91 × 76,101.77
  4. Step 4: Simplify right side
    127,080.74x = 13,346,493,268.13
  5. Step 5: Solve for x
    x = 13,346,493,268.13/127,080.74
  6. Step 6: Final answer
    x = 105,023.73

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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.