Home / 74,974.20-112,461.30-73,678.20

Finding the Fourth Proportional to 74,974.20, 112,461.30 and 73,678.20

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Solution

The fourth proportional to 74,974.20, 112,461.30 and 73,678.20 is: 110,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,974.20 : 112,461.30 = 73,678.20 : x
  2. Step 2: Convert to fraction form
    74,974.20/112,461.30 = 73,678.20/x
  3. Step 3: Cross multiply
    74,974.20x = 112,461.30 × 73,678.20
  4. Step 4: Simplify right side
    74,974.20x = 8,285,946,153.66
  5. Step 5: Solve for x
    x = 8,285,946,153.66/74,974.20
  6. Step 6: Final answer
    x = 110,517.30

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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.