Home / 126,713.75-190,112.81-42,482.25

Finding the Fourth Proportional to 126,713.75, 190,112.81 and 42,482.25

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Solution

The fourth proportional to 126,713.75, 190,112.81 and 42,482.25 is: 63,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,713.75 : 190,112.81 = 42,482.25 : x
  2. Step 2: Convert to fraction form
    126,713.75/190,112.81 = 42,482.25/x
  3. Step 3: Cross multiply
    126,713.75x = 190,112.81 × 42,482.25
  4. Step 4: Simplify right side
    126,713.75x = 8,076,419,710.21
  5. Step 5: Solve for x
    x = 8,076,419,710.21/126,713.75
  6. Step 6: Final answer
    x = 63,737.52

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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.