Home / 108,521.28-162,798.24-38,401.28

Finding the Fourth Proportional to 108,521.28, 162,798.24 and 38,401.28

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Solution

The fourth proportional to 108,521.28, 162,798.24 and 38,401.28 is: 57,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,521.28 : 162,798.24 = 38,401.28 : x
  2. Step 2: Convert to fraction form
    108,521.28/162,798.24 = 38,401.28/x
  3. Step 3: Cross multiply
    108,521.28x = 162,798.24 × 38,401.28
  4. Step 4: Simplify right side
    108,521.28x = 6,251,660,797.75
  5. Step 5: Solve for x
    x = 6,251,660,797.75/108,521.28
  6. Step 6: Final answer
    x = 57,607.69

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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.