Home / 112,158.28-154,772.96-66,835.25

Finding the Fourth Proportional to 112,158.28, 154,772.96 and 66,835.25

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Solution

The fourth proportional to 112,158.28, 154,772.96 and 66,835.25 is: 92,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,158.28 : 154,772.96 = 66,835.25 : x
  2. Step 2: Convert to fraction form
    112,158.28/154,772.96 = 66,835.25/x
  3. Step 3: Cross multiply
    112,158.28x = 154,772.96 × 66,835.25
  4. Step 4: Simplify right side
    112,158.28x = 10,344,289,474.84
  5. Step 5: Solve for x
    x = 10,344,289,474.84/112,158.28
  6. Step 6: Final answer
    x = 92,229.39

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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.