Home / 109,133.73-163,701.81-30,248.64

Finding the Fourth Proportional to 109,133.73, 163,701.81 and 30,248.64

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Solution

The fourth proportional to 109,133.73, 163,701.81 and 30,248.64 is: 45,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,133.73 : 163,701.81 = 30,248.64 : x
  2. Step 2: Convert to fraction form
    109,133.73/163,701.81 = 30,248.64/x
  3. Step 3: Cross multiply
    109,133.73x = 163,701.81 × 30,248.64
  4. Step 4: Simplify right side
    109,133.73x = 4,951,757,118.04
  5. Step 5: Solve for x
    x = 4,951,757,118.04/109,133.73
  6. Step 6: Final answer
    x = 45,373.30

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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.