Home / 112,043.70-154,607.28-68,414.32

Finding the Fourth Proportional to 112,043.70, 154,607.28 and 68,414.32

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Solution

The fourth proportional to 112,043.70, 154,607.28 and 68,414.32 is: 94,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,043.70 : 154,607.28 = 68,414.32 : x
  2. Step 2: Convert to fraction form
    112,043.70/154,607.28 = 68,414.32/x
  3. Step 3: Cross multiply
    112,043.70x = 154,607.28 × 68,414.32
  4. Step 4: Simplify right side
    112,043.70x = 10,577,351,928.25
  5. Step 5: Solve for x
    x = 10,577,351,928.25/112,043.70
  6. Step 6: Final answer
    x = 94,403.81

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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.