Home / 126,767.27-190,173.53-42,554.86

Finding the Fourth Proportional to 126,767.27, 190,173.53 and 42,554.86

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Solution

The fourth proportional to 126,767.27, 190,173.53 and 42,554.86 is: 63,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,767.27 : 190,173.53 = 42,554.86 : x
  2. Step 2: Convert to fraction form
    126,767.27/190,173.53 = 42,554.86/x
  3. Step 3: Cross multiply
    126,767.27x = 190,173.53 × 42,554.86
  4. Step 4: Simplify right side
    126,767.27x = 8,092,807,575.81
  5. Step 5: Solve for x
    x = 8,092,807,575.81/126,767.27
  6. Step 6: Final answer
    x = 63,839.88

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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.