Home / 109,331.64-164,001.78-30,452.76

Finding the Fourth Proportional to 109,331.64, 164,001.78 and 30,452.76

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Solution

The fourth proportional to 109,331.64, 164,001.78 and 30,452.76 is: 45,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,331.64 : 164,001.78 = 30,452.76 : x
  2. Step 2: Convert to fraction form
    109,331.64/164,001.78 = 30,452.76/x
  3. Step 3: Cross multiply
    109,331.64x = 164,001.78 × 30,452.76
  4. Step 4: Simplify right side
    109,331.64x = 4,994,306,845.91
  5. Step 5: Solve for x
    x = 4,994,306,845.91/109,331.64
  6. Step 6: Final answer
    x = 45,680.34

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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.