Home / 218,130.20-327,018.82-98,099.25

Finding the Fourth Proportional to 218,130.20, 327,018.82 and 98,099.25

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Solution

The fourth proportional to 218,130.20, 327,018.82 and 98,099.25 is: 147,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,130.20 : 327,018.82 = 98,099.25 : x
  2. Step 2: Convert to fraction form
    218,130.20/327,018.82 = 98,099.25/x
  3. Step 3: Cross multiply
    218,130.20x = 327,018.82 × 98,099.25
  4. Step 4: Simplify right side
    218,130.20x = 32,080,301,529.73
  5. Step 5: Solve for x
    x = 32,080,301,529.73/218,130.20
  6. Step 6: Final answer
    x = 147,069.51

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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.