Home / 109,392.30-164,088.45-26,286.30

Finding the Fourth Proportional to 109,392.30, 164,088.45 and 26,286.30

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Solution

The fourth proportional to 109,392.30, 164,088.45 and 26,286.30 is: 39,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,392.30 : 164,088.45 = 26,286.30 : x
  2. Step 2: Convert to fraction form
    109,392.30/164,088.45 = 26,286.30/x
  3. Step 3: Cross multiply
    109,392.30x = 164,088.45 × 26,286.30
  4. Step 4: Simplify right side
    109,392.30x = 4,313,278,223.24
  5. Step 5: Solve for x
    x = 4,313,278,223.24/109,392.30
  6. Step 6: Final answer
    x = 39,429.45

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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.