Home / 140,219.80-210,105.04-73,657.24

Finding the Fourth Proportional to 140,219.80, 210,105.04 and 73,657.24

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Solution

The fourth proportional to 140,219.80, 210,105.04 and 73,657.24 is: 110,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,219.80 : 210,105.04 = 73,657.24 : x
  2. Step 2: Convert to fraction form
    140,219.80/210,105.04 = 73,657.24/x
  3. Step 3: Cross multiply
    140,219.80x = 210,105.04 × 73,657.24
  4. Step 4: Simplify right side
    140,219.80x = 15,475,757,356.49
  5. Step 5: Solve for x
    x = 15,475,757,356.49/140,219.80
  6. Step 6: Final answer
    x = 110,367.85

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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.