Home / 126,222.78-174,175.34-69,630.51

Finding the Fourth Proportional to 126,222.78, 174,175.34 and 69,630.51

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Solution

The fourth proportional to 126,222.78, 174,175.34 and 69,630.51 is: 96,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,222.78 : 174,175.34 = 69,630.51 : x
  2. Step 2: Convert to fraction form
    126,222.78/174,175.34 = 69,630.51/x
  3. Step 3: Cross multiply
    126,222.78x = 174,175.34 × 69,630.51
  4. Step 4: Simplify right side
    126,222.78x = 12,127,917,405.47
  5. Step 5: Solve for x
    x = 12,127,917,405.47/126,222.78
  6. Step 6: Final answer
    x = 96,083.43

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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.