Home / 74,159.34-111,238.06-17,999.88

Finding the Fourth Proportional to 74,159.34, 111,238.06 and 17,999.88

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Solution

The fourth proportional to 74,159.34, 111,238.06 and 17,999.88 is: 26,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,159.34 : 111,238.06 = 17,999.88 : x
  2. Step 2: Convert to fraction form
    74,159.34/111,238.06 = 17,999.88/x
  3. Step 3: Cross multiply
    74,159.34x = 111,238.06 × 17,999.88
  4. Step 4: Simplify right side
    74,159.34x = 2,002,271,085.24
  5. Step 5: Solve for x
    x = 2,002,271,085.24/74,159.34
  6. Step 6: Final answer
    x = 26,999.58

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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.