Home / 91,987.75-126,943.22-52,243.75

Finding the Fourth Proportional to 91,987.75, 126,943.22 and 52,243.75

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Solution

The fourth proportional to 91,987.75, 126,943.22 and 52,243.75 is: 72,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,987.75 : 126,943.22 = 52,243.75 : x
  2. Step 2: Convert to fraction form
    91,987.75/126,943.22 = 52,243.75/x
  3. Step 3: Cross multiply
    91,987.75x = 126,943.22 × 52,243.75
  4. Step 4: Simplify right side
    91,987.75x = 6,631,989,849.88
  5. Step 5: Solve for x
    x = 6,631,989,849.88/91,987.75
  6. Step 6: Final answer
    x = 72,096.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.