Home / 126,648.40-189,948.30-37,904.80

Finding the Fourth Proportional to 126,648.40, 189,948.30 and 37,904.80

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Solution

The fourth proportional to 126,648.40, 189,948.30 and 37,904.80 is: 56,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,648.40 : 189,948.30 = 37,904.80 : x
  2. Step 2: Convert to fraction form
    126,648.40/189,948.30 = 37,904.80/x
  3. Step 3: Cross multiply
    126,648.40x = 189,948.30 × 37,904.80
  4. Step 4: Simplify right side
    126,648.40x = 7,199,952,321.84
  5. Step 5: Solve for x
    x = 7,199,952,321.84/126,648.40
  6. Step 6: Final answer
    x = 56,849.93

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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.