Home / 126,008.72-189,040.20-62,862.80

Finding the Fourth Proportional to 126,008.72, 189,040.20 and 62,862.80

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Solution

The fourth proportional to 126,008.72, 189,040.20 and 62,862.80 is: 94,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,008.72 : 189,040.20 = 62,862.80 : x
  2. Step 2: Convert to fraction form
    126,008.72/189,040.20 = 62,862.80/x
  3. Step 3: Cross multiply
    126,008.72x = 189,040.20 × 62,862.80
  4. Step 4: Simplify right side
    126,008.72x = 11,883,596,284.56
  5. Step 5: Solve for x
    x = 11,883,596,284.56/126,008.72
  6. Step 6: Final answer
    x = 94,307.73

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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.