Home / 248,098.56-372,159.36-79,625.76

Finding the Fourth Proportional to 248,098.56, 372,159.36 and 79,625.76

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Solution

The fourth proportional to 248,098.56, 372,159.36 and 79,625.76 is: 119,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,098.56 : 372,159.36 = 79,625.76 : x
  2. Step 2: Convert to fraction form
    248,098.56/372,159.36 = 79,625.76/x
  3. Step 3: Cross multiply
    248,098.56x = 372,159.36 × 79,625.76
  4. Step 4: Simplify right side
    248,098.56x = 29,633,471,881.11
  5. Step 5: Solve for x
    x = 29,633,471,881.11/248,098.56
  6. Step 6: Final answer
    x = 119,442.34

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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.