Home / 106,014.04-146,279.10-72,467.80

Finding the Fourth Proportional to 106,014.04, 146,279.10 and 72,467.80

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Solution

The fourth proportional to 106,014.04, 146,279.10 and 72,467.80 is: 99,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,014.04 : 146,279.10 = 72,467.80 : x
  2. Step 2: Convert to fraction form
    106,014.04/146,279.10 = 72,467.80/x
  3. Step 3: Cross multiply
    106,014.04x = 146,279.10 × 72,467.80
  4. Step 4: Simplify right side
    106,014.04x = 10,600,524,562.98
  5. Step 5: Solve for x
    x = 10,600,524,562.98/106,014.04
  6. Step 6: Final answer
    x = 99,991.70

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1.5x scale

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.