Home / 261,945.23-392,589.06-112,009.16

Finding the Fourth Proportional to 261,945.23, 392,589.06 and 112,009.16

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Solution

The fourth proportional to 261,945.23, 392,589.06 and 112,009.16 is: 167,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,945.23 : 392,589.06 = 112,009.16 : x
  2. Step 2: Convert to fraction form
    261,945.23/392,589.06 = 112,009.16/x
  3. Step 3: Cross multiply
    261,945.23x = 392,589.06 × 112,009.16
  4. Step 4: Simplify right side
    261,945.23x = 43,973,568,872.84
  5. Step 5: Solve for x
    x = 43,973,568,872.84/261,945.23
  6. Step 6: Final answer
    x = 167,873.15

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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.