Home / 126,572.40-189,907.20-124,579.80

Finding the Fourth Proportional to 126,572.40, 189,907.20 and 124,579.80

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Solution

The fourth proportional to 126,572.40, 189,907.20 and 124,579.80 is: 186,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,572.40 : 189,907.20 = 124,579.80 : x
  2. Step 2: Convert to fraction form
    126,572.40/189,907.20 = 124,579.80/x
  3. Step 3: Cross multiply
    126,572.40x = 189,907.20 × 124,579.80
  4. Step 4: Simplify right side
    126,572.40x = 23,658,600,994.56
  5. Step 5: Solve for x
    x = 23,658,600,994.56/126,572.40
  6. Step 6: Final answer
    x = 186,917.53

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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.