Home / 134,811.64-202,188.52-40,019.20

Finding the Fourth Proportional to 134,811.64, 202,188.52 and 40,019.20

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Solution

The fourth proportional to 134,811.64, 202,188.52 and 40,019.20 is: 60,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,811.64 : 202,188.52 = 40,019.20 : x
  2. Step 2: Convert to fraction form
    134,811.64/202,188.52 = 40,019.20/x
  3. Step 3: Cross multiply
    134,811.64x = 202,188.52 × 40,019.20
  4. Step 4: Simplify right side
    134,811.64x = 8,091,422,819.58
  5. Step 5: Solve for x
    x = 8,091,422,819.58/134,811.64
  6. Step 6: Final answer
    x = 60,020.21

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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.