Home / 129,795.19-179,198.44-99,522.32

Finding the Fourth Proportional to 129,795.19, 179,198.44 and 99,522.32

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Solution

The fourth proportional to 129,795.19, 179,198.44 and 99,522.32 is: 137,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,795.19 : 179,198.44 = 99,522.32 : x
  2. Step 2: Convert to fraction form
    129,795.19/179,198.44 = 99,522.32/x
  3. Step 3: Cross multiply
    129,795.19x = 179,198.44 × 99,522.32
  4. Step 4: Simplify right side
    129,795.19x = 17,834,243,344.38
  5. Step 5: Solve for x
    x = 17,834,243,344.38/129,795.19
  6. Step 6: Final answer
    x = 137,402.96

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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.