Home / 133,928.32-200,777.04-76,990.18

Finding the Fourth Proportional to 133,928.32, 200,777.04 and 76,990.18

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Solution

The fourth proportional to 133,928.32, 200,777.04 and 76,990.18 is: 115,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,928.32 : 200,777.04 = 76,990.18 : x
  2. Step 2: Convert to fraction form
    133,928.32/200,777.04 = 76,990.18/x
  3. Step 3: Cross multiply
    133,928.32x = 200,777.04 × 76,990.18
  4. Step 4: Simplify right side
    133,928.32x = 15,457,860,449.47
  5. Step 5: Solve for x
    x = 15,457,860,449.47/133,928.32
  6. Step 6: Final answer
    x = 115,418.91

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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.