Home / 112,265.37-154,945.85-66,946.05

Finding the Fourth Proportional to 112,265.37, 154,945.85 and 66,946.05

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Solution

The fourth proportional to 112,265.37, 154,945.85 and 66,946.05 is: 92,397.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,265.37 : 154,945.85 = 66,946.05 : x
  2. Step 2: Convert to fraction form
    112,265.37/154,945.85 = 66,946.05/x
  3. Step 3: Cross multiply
    112,265.37x = 154,945.85 × 66,946.05
  4. Step 4: Simplify right side
    112,265.37x = 10,373,012,286.66
  5. Step 5: Solve for x
    x = 10,373,012,286.66/112,265.37
  6. Step 6: Final answer
    x = 92,397.26

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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.