Home / 109,173.74-163,760.68-30,288.04

Finding the Fourth Proportional to 109,173.74, 163,760.68 and 30,288.04

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Solution

The fourth proportional to 109,173.74, 163,760.68 and 30,288.04 is: 45,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,173.74 : 163,760.68 = 30,288.04 : x
  2. Step 2: Convert to fraction form
    109,173.74/163,760.68 = 30,288.04/x
  3. Step 3: Cross multiply
    109,173.74x = 163,760.68 × 30,288.04
  4. Step 4: Simplify right side
    109,173.74x = 4,959,989,207.46
  5. Step 5: Solve for x
    x = 4,959,989,207.46/109,173.74
  6. Step 6: Final answer
    x = 45,432.07

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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.