Home / 248,722.52-373,156.45-80,239.12

Finding the Fourth Proportional to 248,722.52, 373,156.45 and 80,239.12

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Solution

The fourth proportional to 248,722.52, 373,156.45 and 80,239.12 is: 120,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,722.52 : 373,156.45 = 80,239.12 : x
  2. Step 2: Convert to fraction form
    248,722.52/373,156.45 = 80,239.12/x
  3. Step 3: Cross multiply
    248,722.52x = 373,156.45 × 80,239.12
  4. Step 4: Simplify right side
    248,722.52x = 29,941,744,036.84
  5. Step 5: Solve for x
    x = 29,941,744,036.84/248,722.52
  6. Step 6: Final answer
    x = 120,382.12

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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.