Home / 158,762.28-238,179.74-68,820.05

Finding the Fourth Proportional to 158,762.28, 238,179.74 and 68,820.05

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Solution

The fourth proportional to 158,762.28, 238,179.74 and 68,820.05 is: 103,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,762.28 : 238,179.74 = 68,820.05 : x
  2. Step 2: Convert to fraction form
    158,762.28/238,179.74 = 68,820.05/x
  3. Step 3: Cross multiply
    158,762.28x = 238,179.74 × 68,820.05
  4. Step 4: Simplify right side
    158,762.28x = 16,391,540,080.79
  5. Step 5: Solve for x
    x = 16,391,540,080.79/158,762.28
  6. Step 6: Final answer
    x = 103,245.81

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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.