Home / 126,709.88-174,859.85-70,121.26

Finding the Fourth Proportional to 126,709.88, 174,859.85 and 70,121.26

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Solution

The fourth proportional to 126,709.88, 174,859.85 and 70,121.26 is: 96,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,709.88 : 174,859.85 = 70,121.26 : x
  2. Step 2: Convert to fraction form
    126,709.88/174,859.85 = 70,121.26/x
  3. Step 3: Cross multiply
    126,709.88x = 174,859.85 × 70,121.26
  4. Step 4: Simplify right side
    126,709.88x = 12,261,391,780.51
  5. Step 5: Solve for x
    x = 12,261,391,780.51/126,709.88
  6. Step 6: Final answer
    x = 96,767.45

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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.