Home / 218,965.94-302,180.46-127,078.16

Finding the Fourth Proportional to 218,965.94, 302,180.46 and 127,078.16

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Solution

The fourth proportional to 218,965.94, 302,180.46 and 127,078.16 is: 175,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,965.94 : 302,180.46 = 127,078.16 : x
  2. Step 2: Convert to fraction form
    218,965.94/302,180.46 = 127,078.16/x
  3. Step 3: Cross multiply
    218,965.94x = 302,180.46 × 127,078.16
  4. Step 4: Simplify right side
    218,965.94x = 38,400,536,844.75
  5. Step 5: Solve for x
    x = 38,400,536,844.75/218,965.94
  6. Step 6: Final answer
    x = 175,372.19

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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.