Home / 220,256.88-330,436.26-78,094.62

Finding the Fourth Proportional to 220,256.88, 330,436.26 and 78,094.62

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Solution

The fourth proportional to 220,256.88, 330,436.26 and 78,094.62 is: 117,159.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,256.88 : 330,436.26 = 78,094.62 : x
  2. Step 2: Convert to fraction form
    220,256.88/330,436.26 = 78,094.62/x
  3. Step 3: Cross multiply
    220,256.88x = 330,436.26 × 78,094.62
  4. Step 4: Simplify right side
    220,256.88x = 25,805,294,158.92
  5. Step 5: Solve for x
    x = 25,805,294,158.92/220,256.88
  6. Step 6: Final answer
    x = 117,159.99

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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.