Home / 239,985.95-359,974.19-71,620.36

Finding the Fourth Proportional to 239,985.95, 359,974.19 and 71,620.36

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Solution

The fourth proportional to 239,985.95, 359,974.19 and 71,620.36 is: 107,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,985.95 : 359,974.19 = 71,620.36 : x
  2. Step 2: Convert to fraction form
    239,985.95/359,974.19 = 71,620.36/x
  3. Step 3: Cross multiply
    239,985.95x = 359,974.19 × 71,620.36
  4. Step 4: Simplify right side
    239,985.95x = 25,781,480,357.62
  5. Step 5: Solve for x
    x = 25,781,480,357.62/239,985.95
  6. Step 6: Final answer
    x = 107,429.13

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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.