Home / 109,868.85-151,622.21-62,121.17

Finding the Fourth Proportional to 109,868.85, 151,622.21 and 62,121.17

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Solution

The fourth proportional to 109,868.85, 151,622.21 and 62,121.17 is: 85,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,868.85 : 151,622.21 = 62,121.17 : x
  2. Step 2: Convert to fraction form
    109,868.85/151,622.21 = 62,121.17/x
  3. Step 3: Cross multiply
    109,868.85x = 151,622.21 × 62,121.17
  4. Step 4: Simplify right side
    109,868.85x = 9,418,949,083.19
  5. Step 5: Solve for x
    x = 9,418,949,083.19/109,868.85
  6. Step 6: Final answer
    x = 85,729.02

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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.