Home / 261,964.08-392,971.32-104,157.36

Finding the Fourth Proportional to 261,964.08, 392,971.32 and 104,157.36

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Solution

The fourth proportional to 261,964.08, 392,971.32 and 104,157.36 is: 156,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,964.08 : 392,971.32 = 104,157.36 : x
  2. Step 2: Convert to fraction form
    261,964.08/392,971.32 = 104,157.36/x
  3. Step 3: Cross multiply
    261,964.08x = 392,971.32 × 104,157.36
  4. Step 4: Simplify right side
    261,964.08x = 40,930,855,246.92
  5. Step 5: Solve for x
    x = 40,930,855,246.92/261,964.08
  6. Step 6: Final answer
    x = 156,246.06

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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.