Home / 91,147.17-125,782.86-50,860.50

Finding the Fourth Proportional to 91,147.17, 125,782.86 and 50,860.50

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Solution

The fourth proportional to 91,147.17, 125,782.86 and 50,860.50 is: 70,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,147.17 : 125,782.86 = 50,860.50 : x
  2. Step 2: Convert to fraction form
    91,147.17/125,782.86 = 50,860.50/x
  3. Step 3: Cross multiply
    91,147.17x = 125,782.86 × 50,860.50
  4. Step 4: Simplify right side
    91,147.17x = 6,397,379,151.03
  5. Step 5: Solve for x
    x = 6,397,379,151.03/91,147.17
  6. Step 6: Final answer
    x = 70,187.36

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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.