Home / 149,373.20-206,127.24-92,783.44

Finding the Fourth Proportional to 149,373.20, 206,127.24 and 92,783.44

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Solution

The fourth proportional to 149,373.20, 206,127.24 and 92,783.44 is: 128,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,373.20 : 206,127.24 = 92,783.44 : x
  2. Step 2: Convert to fraction form
    149,373.20/206,127.24 = 92,783.44/x
  3. Step 3: Cross multiply
    149,373.20x = 206,127.24 × 92,783.44
  4. Step 4: Simplify right side
    149,373.20x = 19,125,194,404.91
  5. Step 5: Solve for x
    x = 19,125,194,404.91/149,373.20
  6. Step 6: Final answer
    x = 128,036.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.