Home / 143,536.46-198,072.95-109,568.70

Finding the Fourth Proportional to 143,536.46, 198,072.95 and 109,568.70

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Solution

The fourth proportional to 143,536.46, 198,072.95 and 109,568.70 is: 151,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,536.46 : 198,072.95 = 109,568.70 : x
  2. Step 2: Convert to fraction form
    143,536.46/198,072.95 = 109,568.70/x
  3. Step 3: Cross multiply
    143,536.46x = 198,072.95 × 109,568.70
  4. Step 4: Simplify right side
    143,536.46x = 21,702,595,088.82
  5. Step 5: Solve for x
    x = 21,702,595,088.82/143,536.46
  6. Step 6: Final answer
    x = 151,199.19

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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.