Home / 185,972.02-278,787.93-80,753.02

Finding the Fourth Proportional to 185,972.02, 278,787.93 and 80,753.02

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Solution

The fourth proportional to 185,972.02, 278,787.93 and 80,753.02 is: 121,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,972.02 : 278,787.93 = 80,753.02 : x
  2. Step 2: Convert to fraction form
    185,972.02/278,787.93 = 80,753.02/x
  3. Step 3: Cross multiply
    185,972.02x = 278,787.93 × 80,753.02
  4. Step 4: Simplify right side
    185,972.02x = 22,512,967,287.05
  5. Step 5: Solve for x
    x = 22,512,967,287.05/185,972.02
  6. Step 6: Final answer
    x = 121,055.67

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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.