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Finding the Fourth Proportional to 159,636.42, 239,453.42 and 66,142.17

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Solution

The fourth proportional to 159,636.42, 239,453.42 and 66,142.17 is: 99,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,636.42 : 239,453.42 = 66,142.17 : x
  2. Step 2: Convert to fraction form
    159,636.42/239,453.42 = 66,142.17/x
  3. Step 3: Cross multiply
    159,636.42x = 239,453.42 × 66,142.17
  4. Step 4: Simplify right side
    159,636.42x = 15,837,968,482.01
  5. Step 5: Solve for x
    x = 15,837,968,482.01/159,636.42
  6. Step 6: Final answer
    x = 99,212.75

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1.5x scale

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.