Home / 261,841.24-392,902.62-104,071

Finding the Fourth Proportional to 261,841.24, 392,902.62 and 104,071

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Solution

The fourth proportional to 261,841.24, 392,902.62 and 104,071 is: 156,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,841.24 : 392,902.62 = 104,071 : x
  2. Step 2: Convert to fraction form
    261,841.24/392,902.62 = 104,071/x
  3. Step 3: Cross multiply
    261,841.24x = 392,902.62 × 104,071
  4. Step 4: Simplify right side
    261,841.24x = 40,889,768,566.02
  5. Step 5: Solve for x
    x = 40,889,768,566.02/261,841.24
  6. Step 6: Final answer
    x = 156,162.45

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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.