Home / 129,754.14-179,060.75-73,165.52

Finding the Fourth Proportional to 129,754.14, 179,060.75 and 73,165.52

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Solution

The fourth proportional to 129,754.14, 179,060.75 and 73,165.52 is: 100,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,754.14 : 179,060.75 = 73,165.52 : x
  2. Step 2: Convert to fraction form
    129,754.14/179,060.75 = 73,165.52/x
  3. Step 3: Cross multiply
    129,754.14x = 179,060.75 × 73,165.52
  4. Step 4: Simplify right side
    129,754.14x = 13,101,071,624.21
  5. Step 5: Solve for x
    x = 13,101,071,624.21/129,754.14
  6. Step 6: Final answer
    x = 100,968.43

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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.