Home / 108,964.28-163,227.70-79,444.64

Finding the Fourth Proportional to 108,964.28, 163,227.70 and 79,444.64

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Solution

The fourth proportional to 108,964.28, 163,227.70 and 79,444.64 is: 119,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,964.28 : 163,227.70 = 79,444.64 : x
  2. Step 2: Convert to fraction form
    108,964.28/163,227.70 = 79,444.64/x
  3. Step 3: Cross multiply
    108,964.28x = 163,227.70 × 79,444.64
  4. Step 4: Simplify right side
    108,964.28x = 12,967,565,864.53
  5. Step 5: Solve for x
    x = 12,967,565,864.53/108,964.28
  6. Step 6: Final answer
    x = 119,007.49

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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.