Home / 126,881.80-190,342.32-38,125.24

Finding the Fourth Proportional to 126,881.80, 190,342.32 and 38,125.24

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Solution

The fourth proportional to 126,881.80, 190,342.32 and 38,125.24 is: 57,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,881.80 : 190,342.32 = 38,125.24 : x
  2. Step 2: Convert to fraction form
    126,881.80/190,342.32 = 38,125.24/x
  3. Step 3: Cross multiply
    126,881.80x = 190,342.32 × 38,125.24
  4. Step 4: Simplify right side
    126,881.80x = 7,256,846,632.16
  5. Step 5: Solve for x
    x = 7,256,846,632.16/126,881.80
  6. Step 6: Final answer
    x = 57,193.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.