Home / 239,779.17-359,556.98-71,237.61

Finding the Fourth Proportional to 239,779.17, 359,556.98 and 71,237.61

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Solution

The fourth proportional to 239,779.17, 359,556.98 and 71,237.61 is: 106,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,779.17 : 359,556.98 = 71,237.61 : x
  2. Step 2: Convert to fraction form
    239,779.17/359,556.98 = 71,237.61/x
  3. Step 3: Cross multiply
    239,779.17x = 359,556.98 × 71,237.61
  4. Step 4: Simplify right side
    239,779.17x = 25,613,979,557.83
  5. Step 5: Solve for x
    x = 25,613,979,557.83/239,779.17
  6. Step 6: Final answer
    x = 106,823.21

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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.