Home / 126,929.23-175,170.50-70,344.25

Finding the Fourth Proportional to 126,929.23, 175,170.50 and 70,344.25

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Solution

The fourth proportional to 126,929.23, 175,170.50 and 70,344.25 is: 97,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,929.23 : 175,170.50 = 70,344.25 : x
  2. Step 2: Convert to fraction form
    126,929.23/175,170.50 = 70,344.25/x
  3. Step 3: Cross multiply
    126,929.23x = 175,170.50 × 70,344.25
  4. Step 4: Simplify right side
    126,929.23x = 12,322,236,918.77
  5. Step 5: Solve for x
    x = 12,322,236,918.77/126,929.23
  6. Step 6: Final answer
    x = 97,079.59

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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.