Home / 126,702.09-174,837.01-75,704.66

Finding the Fourth Proportional to 126,702.09, 174,837.01 and 75,704.66

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Solution

The fourth proportional to 126,702.09, 174,837.01 and 75,704.66 is: 104,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,702.09 : 174,837.01 = 75,704.66 : x
  2. Step 2: Convert to fraction form
    126,702.09/174,837.01 = 75,704.66/x
  3. Step 3: Cross multiply
    126,702.09x = 174,837.01 × 75,704.66
  4. Step 4: Simplify right side
    126,702.09x = 13,235,976,397.47
  5. Step 5: Solve for x
    x = 13,235,976,397.47/126,702.09
  6. Step 6: Final answer
    x = 104,465.34

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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.