Home / 112,264.89-154,921.69-66,919.49

Finding the Fourth Proportional to 112,264.89, 154,921.69 and 66,919.49

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Solution

The fourth proportional to 112,264.89, 154,921.69 and 66,919.49 is: 92,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,264.89 : 154,921.69 = 66,919.49 : x
  2. Step 2: Convert to fraction form
    112,264.89/154,921.69 = 66,919.49/x
  3. Step 3: Cross multiply
    112,264.89x = 154,921.69 × 66,919.49
  4. Step 4: Simplify right side
    112,264.89x = 10,367,280,622.24
  5. Step 5: Solve for x
    x = 10,367,280,622.24/112,264.89
  6. Step 6: Final answer
    x = 92,346.60

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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.