Home / 74,226.20-111,339.30-18,822.20

Finding the Fourth Proportional to 74,226.20, 111,339.30 and 18,822.20

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Solution

The fourth proportional to 74,226.20, 111,339.30 and 18,822.20 is: 28,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,226.20 : 111,339.30 = 18,822.20 : x
  2. Step 2: Convert to fraction form
    74,226.20/111,339.30 = 18,822.20/x
  3. Step 3: Cross multiply
    74,226.20x = 111,339.30 × 18,822.20
  4. Step 4: Simplify right side
    74,226.20x = 2,095,650,572.46
  5. Step 5: Solve for x
    x = 2,095,650,572.46/74,226.20
  6. Step 6: Final answer
    x = 28,233.30

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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.