Home / 109,073.53-150,548.18-66,667.60

Finding the Fourth Proportional to 109,073.53, 150,548.18 and 66,667.60

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Solution

The fourth proportional to 109,073.53, 150,548.18 and 66,667.60 is: 92,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,073.53 : 150,548.18 = 66,667.60 : x
  2. Step 2: Convert to fraction form
    109,073.53/150,548.18 = 66,667.60/x
  3. Step 3: Cross multiply
    109,073.53x = 150,548.18 × 66,667.60
  4. Step 4: Simplify right side
    109,073.53x = 10,036,685,258.90
  5. Step 5: Solve for x
    x = 10,036,685,258.90/109,073.53
  6. Step 6: Final answer
    x = 92,017.61

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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.