Home / 126,675.84-190,022.28-42,432.60

Finding the Fourth Proportional to 126,675.84, 190,022.28 and 42,432.60

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Solution

The fourth proportional to 126,675.84, 190,022.28 and 42,432.60 is: 63,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,675.84 : 190,022.28 = 42,432.60 : x
  2. Step 2: Convert to fraction form
    126,675.84/190,022.28 = 42,432.60/x
  3. Step 3: Cross multiply
    126,675.84x = 190,022.28 × 42,432.60
  4. Step 4: Simplify right side
    126,675.84x = 8,063,139,398.33
  5. Step 5: Solve for x
    x = 8,063,139,398.33/126,675.84
  6. Step 6: Final answer
    x = 63,651.75

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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.