Home / 109,120.37-150,584.67-61,373.70

Finding the Fourth Proportional to 109,120.37, 150,584.67 and 61,373.70

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Solution

The fourth proportional to 109,120.37, 150,584.67 and 61,373.70 is: 84,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,120.37 : 150,584.67 = 61,373.70 : x
  2. Step 2: Convert to fraction form
    109,120.37/150,584.67 = 61,373.70/x
  3. Step 3: Cross multiply
    109,120.37x = 150,584.67 × 61,373.70
  4. Step 4: Simplify right side
    109,120.37x = 9,241,938,361.18
  5. Step 5: Solve for x
    x = 9,241,938,361.18/109,120.37
  6. Step 6: Final answer
    x = 84,694.90

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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.