Home / 112,077.36-154,654.32-66,749.04

Finding the Fourth Proportional to 112,077.36, 154,654.32 and 66,749.04

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Solution

The fourth proportional to 112,077.36, 154,654.32 and 66,749.04 is: 92,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,077.36 : 154,654.32 = 66,749.04 : x
  2. Step 2: Convert to fraction form
    112,077.36/154,654.32 = 66,749.04/x
  3. Step 3: Cross multiply
    112,077.36x = 154,654.32 × 66,749.04
  4. Step 4: Simplify right side
    112,077.36x = 10,323,027,391.85
  5. Step 5: Solve for x
    x = 10,323,027,391.85/112,077.36
  6. Step 6: Final answer
    x = 92,106.27

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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.