Home / 109,358.82-163,979.90-56,637.54

Finding the Fourth Proportional to 109,358.82, 163,979.90 and 56,637.54

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Solution

The fourth proportional to 109,358.82, 163,979.90 and 56,637.54 is: 84,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,358.82 : 163,979.90 = 56,637.54 : x
  2. Step 2: Convert to fraction form
    109,358.82/163,979.90 = 56,637.54/x
  3. Step 3: Cross multiply
    109,358.82x = 163,979.90 × 56,637.54
  4. Step 4: Simplify right side
    109,358.82x = 9,287,418,145.45
  5. Step 5: Solve for x
    x = 9,287,418,145.45/109,358.82
  6. Step 6: Final answer
    x = 84,926.10

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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.