Home / 109,717.45-151,470.34-68,924.13

Finding the Fourth Proportional to 109,717.45, 151,470.34 and 68,924.13

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Solution

The fourth proportional to 109,717.45, 151,470.34 and 68,924.13 is: 95,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,717.45 : 151,470.34 = 68,924.13 : x
  2. Step 2: Convert to fraction form
    109,717.45/151,470.34 = 68,924.13/x
  3. Step 3: Cross multiply
    109,717.45x = 151,470.34 × 68,924.13
  4. Step 4: Simplify right side
    109,717.45x = 10,439,961,405.30
  5. Step 5: Solve for x
    x = 10,439,961,405.30/109,717.45
  6. Step 6: Final answer
    x = 95,153.15

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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.