Home / 112,241.53-154,913.07-66,922.30

Finding the Fourth Proportional to 112,241.53, 154,913.07 and 66,922.30

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Solution

The fourth proportional to 112,241.53, 154,913.07 and 66,922.30 is: 92,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,241.53 : 154,913.07 = 66,922.30 : x
  2. Step 2: Convert to fraction form
    112,241.53/154,913.07 = 66,922.30/x
  3. Step 3: Cross multiply
    112,241.53x = 154,913.07 × 66,922.30
  4. Step 4: Simplify right side
    112,241.53x = 10,367,138,944.46
  5. Step 5: Solve for x
    x = 10,367,138,944.46/112,241.53
  6. Step 6: Final answer
    x = 92,364.55

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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.