Home / 121,149.74-181,714.22-73,752.54

Finding the Fourth Proportional to 121,149.74, 181,714.22 and 73,752.54

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Solution

The fourth proportional to 121,149.74, 181,714.22 and 73,752.54 is: 110,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,149.74 : 181,714.22 = 73,752.54 : x
  2. Step 2: Convert to fraction form
    121,149.74/181,714.22 = 73,752.54/x
  3. Step 3: Cross multiply
    121,149.74x = 181,714.22 × 73,752.54
  4. Step 4: Simplify right side
    121,149.74x = 13,401,885,527.64
  5. Step 5: Solve for x
    x = 13,401,885,527.64/121,149.74
  6. Step 6: Final answer
    x = 110,622.48

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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.