Home / 126,750.84-190,120.49-42,504.52

Finding the Fourth Proportional to 126,750.84, 190,120.49 and 42,504.52

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Solution

The fourth proportional to 126,750.84, 190,120.49 and 42,504.52 is: 63,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,750.84 : 190,120.49 = 42,504.52 : x
  2. Step 2: Convert to fraction form
    126,750.84/190,120.49 = 42,504.52/x
  3. Step 3: Cross multiply
    126,750.84x = 190,120.49 × 42,504.52
  4. Step 4: Simplify right side
    126,750.84x = 8,080,980,412.83
  5. Step 5: Solve for x
    x = 8,080,980,412.83/126,750.84
  6. Step 6: Final answer
    x = 63,754.85

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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.