Home / 109,398.08-164,124.81-30,512.31

Finding the Fourth Proportional to 109,398.08, 164,124.81 and 30,512.31

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Solution

The fourth proportional to 109,398.08, 164,124.81 and 30,512.31 is: 45,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,398.08 : 164,124.81 = 30,512.31 : x
  2. Step 2: Convert to fraction form
    109,398.08/164,124.81 = 30,512.31/x
  3. Step 3: Cross multiply
    109,398.08x = 164,124.81 × 30,512.31
  4. Step 4: Simplify right side
    109,398.08x = 5,007,826,928.85
  5. Step 5: Solve for x
    x = 5,007,826,928.85/109,398.08
  6. Step 6: Final answer
    x = 45,776.19

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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.