Home / 248,646.28-372,881.58-80,159.80

Finding the Fourth Proportional to 248,646.28, 372,881.58 and 80,159.80

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Solution

The fourth proportional to 248,646.28, 372,881.58 and 80,159.80 is: 120,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,646.28 : 372,881.58 = 80,159.80 : x
  2. Step 2: Convert to fraction form
    248,646.28/372,881.58 = 80,159.80/x
  3. Step 3: Cross multiply
    248,646.28x = 372,881.58 × 80,159.80
  4. Step 4: Simplify right side
    248,646.28x = 29,890,112,876.48
  5. Step 5: Solve for x
    x = 29,890,112,876.48/248,646.28
  6. Step 6: Final answer
    x = 120,211.38

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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.