Home / 109,116.90-150,599.34-68,852.70

Finding the Fourth Proportional to 109,116.90, 150,599.34 and 68,852.70

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Solution

The fourth proportional to 109,116.90, 150,599.34 and 68,852.70 is: 95,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,116.90 : 150,599.34 = 68,852.70 : x
  2. Step 2: Convert to fraction form
    109,116.90/150,599.34 = 68,852.70/x
  3. Step 3: Cross multiply
    109,116.90x = 150,599.34 × 68,852.70
  4. Step 4: Simplify right side
    109,116.90x = 10,369,171,177.22
  5. Step 5: Solve for x
    x = 10,369,171,177.22/109,116.90
  6. Step 6: Final answer
    x = 95,028.10

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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.