Home / 126,103.05-174,018.93-68,743.51

Finding the Fourth Proportional to 126,103.05, 174,018.93 and 68,743.51

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Solution

The fourth proportional to 126,103.05, 174,018.93 and 68,743.51 is: 94,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,103.05 : 174,018.93 = 68,743.51 : x
  2. Step 2: Convert to fraction form
    126,103.05/174,018.93 = 68,743.51/x
  3. Step 3: Cross multiply
    126,103.05x = 174,018.93 × 68,743.51
  4. Step 4: Simplify right side
    126,103.05x = 11,962,672,054.64
  5. Step 5: Solve for x
    x = 11,962,672,054.64/126,103.05
  6. Step 6: Final answer
    x = 94,864.26

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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.