Home / 374,069.60-561,183.24-121,330.42

Finding the Fourth Proportional to 374,069.60, 561,183.24 and 121,330.42

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Solution

The fourth proportional to 374,069.60, 561,183.24 and 121,330.42 is: 182,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,069.60 : 561,183.24 = 121,330.42 : x
  2. Step 2: Convert to fraction form
    374,069.60/561,183.24 = 121,330.42/x
  3. Step 3: Cross multiply
    374,069.60x = 561,183.24 × 121,330.42
  4. Step 4: Simplify right side
    374,069.60x = 68,088,598,206.16
  5. Step 5: Solve for x
    x = 68,088,598,206.16/374,069.60
  6. Step 6: Final answer
    x = 182,021.20

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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.