Home / 73,454.13-110,172.31-20,150.45

Finding the Fourth Proportional to 73,454.13, 110,172.31 and 20,150.45

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Solution

The fourth proportional to 73,454.13, 110,172.31 and 20,150.45 is: 30,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,454.13 : 110,172.31 = 20,150.45 : x
  2. Step 2: Convert to fraction form
    73,454.13/110,172.31 = 20,150.45/x
  3. Step 3: Cross multiply
    73,454.13x = 110,172.31 × 20,150.45
  4. Step 4: Simplify right side
    73,454.13x = 2,220,021,624.04
  5. Step 5: Solve for x
    x = 2,220,021,624.04/73,454.13
  6. Step 6: Final answer
    x = 30,223.24

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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.