Home / 218,688.20-328,032.30-108,096.20

Finding the Fourth Proportional to 218,688.20, 328,032.30 and 108,096.20

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Solution

The fourth proportional to 218,688.20, 328,032.30 and 108,096.20 is: 162,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,688.20 : 328,032.30 = 108,096.20 : x
  2. Step 2: Convert to fraction form
    218,688.20/328,032.30 = 108,096.20/x
  3. Step 3: Cross multiply
    218,688.20x = 328,032.30 × 108,096.20
  4. Step 4: Simplify right side
    218,688.20x = 35,459,045,107.26
  5. Step 5: Solve for x
    x = 35,459,045,107.26/218,688.20
  6. Step 6: Final answer
    x = 162,144.30

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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.