Home / 108,144.81-162,232.65-33,271.20

Finding the Fourth Proportional to 108,144.81, 162,232.65 and 33,271.20

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Solution

The fourth proportional to 108,144.81, 162,232.65 and 33,271.20 is: 49,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,144.81 : 162,232.65 = 33,271.20 : x
  2. Step 2: Convert to fraction form
    108,144.81/162,232.65 = 33,271.20/x
  3. Step 3: Cross multiply
    108,144.81x = 162,232.65 × 33,271.20
  4. Step 4: Simplify right side
    108,144.81x = 5,397,674,944.68
  5. Step 5: Solve for x
    x = 5,397,674,944.68/108,144.81
  6. Step 6: Final answer
    x = 49,911.55

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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.