Home / 109,256.92-163,886.46-30,377.30

Finding the Fourth Proportional to 109,256.92, 163,886.46 and 30,377.30

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Solution

The fourth proportional to 109,256.92, 163,886.46 and 30,377.30 is: 45,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,256.92 : 163,886.46 = 30,377.30 : x
  2. Step 2: Convert to fraction form
    109,256.92/163,886.46 = 30,377.30/x
  3. Step 3: Cross multiply
    109,256.92x = 163,886.46 × 30,377.30
  4. Step 4: Simplify right side
    109,256.92x = 4,978,428,161.36
  5. Step 5: Solve for x
    x = 4,978,428,161.36/109,256.92
  6. Step 6: Final answer
    x = 45,566.25

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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.