Home / 158,968.32-238,452-40,639.68

Finding the Fourth Proportional to 158,968.32, 238,452 and 40,639.68

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Solution

The fourth proportional to 158,968.32, 238,452 and 40,639.68 is: 60,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,968.32 : 238,452 = 40,639.68 : x
  2. Step 2: Convert to fraction form
    158,968.32/238,452 = 40,639.68/x
  3. Step 3: Cross multiply
    158,968.32x = 238,452 × 40,639.68
  4. Step 4: Simplify right side
    158,968.32x = 9,690,612,975.36
  5. Step 5: Solve for x
    x = 9,690,612,975.36/158,968.32
  6. Step 6: Final answer
    x = 60,959.40

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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.