Home / 238,983.63-329,806.80-131,563.65

Finding the Fourth Proportional to 238,983.63, 329,806.80 and 131,563.65

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Solution

The fourth proportional to 238,983.63, 329,806.80 and 131,563.65 is: 181,563.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,983.63 : 329,806.80 = 131,563.65 : x
  2. Step 2: Convert to fraction form
    238,983.63/329,806.80 = 131,563.65/x
  3. Step 3: Cross multiply
    238,983.63x = 329,806.80 × 131,563.65
  4. Step 4: Simplify right side
    238,983.63x = 43,390,586,402.82
  5. Step 5: Solve for x
    x = 43,390,586,402.82/238,983.63
  6. Step 6: Final answer
    x = 181,563.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.