Home / 109,409.20-150,984.66-59,108.20

Finding the Fourth Proportional to 109,409.20, 150,984.66 and 59,108.20

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Solution

The fourth proportional to 109,409.20, 150,984.66 and 59,108.20 is: 81,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,409.20 : 150,984.66 = 59,108.20 : x
  2. Step 2: Convert to fraction form
    109,409.20/150,984.66 = 59,108.20/x
  3. Step 3: Cross multiply
    109,409.20x = 150,984.66 × 59,108.20
  4. Step 4: Simplify right side
    109,409.20x = 8,924,431,480.21
  5. Step 5: Solve for x
    x = 8,924,431,480.21/109,409.20
  6. Step 6: Final answer
    x = 81,569.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.