Home / 109,184.18-150,756.30-107,440.38

Finding the Fourth Proportional to 109,184.18, 150,756.30 and 107,440.38

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Solution

The fourth proportional to 109,184.18, 150,756.30 and 107,440.38 is: 148,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,184.18 : 150,756.30 = 107,440.38 : x
  2. Step 2: Convert to fraction form
    109,184.18/150,756.30 = 107,440.38/x
  3. Step 3: Cross multiply
    109,184.18x = 150,756.30 × 107,440.38
  4. Step 4: Simplify right side
    109,184.18x = 16,197,313,622.19
  5. Step 5: Solve for x
    x = 16,197,313,622.19/109,184.18
  6. Step 6: Final answer
    x = 148,348.54

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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.