Home / 126,341.45-189,348.28-51,374.33

Finding the Fourth Proportional to 126,341.45, 189,348.28 and 51,374.33

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Solution

The fourth proportional to 126,341.45, 189,348.28 and 51,374.33 is: 76,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,341.45 : 189,348.28 = 51,374.33 : x
  2. Step 2: Convert to fraction form
    126,341.45/189,348.28 = 51,374.33/x
  3. Step 3: Cross multiply
    126,341.45x = 189,348.28 × 51,374.33
  4. Step 4: Simplify right side
    126,341.45x = 9,727,641,021.65
  5. Step 5: Solve for x
    x = 9,727,641,021.65/126,341.45
  6. Step 6: Final answer
    x = 76,994.85

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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.