Home / 218,965.44-302,179.77-127,077.66

Finding the Fourth Proportional to 218,965.44, 302,179.77 and 127,077.66

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Solution

The fourth proportional to 218,965.44, 302,179.77 and 127,077.66 is: 175,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,965.44 : 302,179.77 = 127,077.66 : x
  2. Step 2: Convert to fraction form
    218,965.44/302,179.77 = 127,077.66/x
  3. Step 3: Cross multiply
    218,965.44x = 302,179.77 × 127,077.66
  4. Step 4: Simplify right side
    218,965.44x = 38,400,298,070.94
  5. Step 5: Solve for x
    x = 38,400,298,070.94/218,965.44
  6. Step 6: Final answer
    x = 175,371.50

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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.