Home / 126,826.42-174,501.91-109,776.32

Finding the Fourth Proportional to 126,826.42, 174,501.91 and 109,776.32

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Solution

The fourth proportional to 126,826.42, 174,501.91 and 109,776.32 is: 151,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,826.42 : 174,501.91 = 109,776.32 : x
  2. Step 2: Convert to fraction form
    126,826.42/174,501.91 = 109,776.32/x
  3. Step 3: Cross multiply
    126,826.42x = 174,501.91 × 109,776.32
  4. Step 4: Simplify right side
    126,826.42x = 19,156,177,512.77
  5. Step 5: Solve for x
    x = 19,156,177,512.77/126,826.42
  6. Step 6: Final answer
    x = 151,042.48

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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.