Home / 111,131.25-166,711.53-36,225.15

Finding the Fourth Proportional to 111,131.25, 166,711.53 and 36,225.15

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Solution

The fourth proportional to 111,131.25, 166,711.53 and 36,225.15 is: 54,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,131.25 : 166,711.53 = 36,225.15 : x
  2. Step 2: Convert to fraction form
    111,131.25/166,711.53 = 36,225.15/x
  3. Step 3: Cross multiply
    111,131.25x = 166,711.53 × 36,225.15
  4. Step 4: Simplify right side
    111,131.25x = 6,039,149,999.85
  5. Step 5: Solve for x
    x = 6,039,149,999.85/111,131.25
  6. Step 6: Final answer
    x = 54,342.50

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1.5x scale

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.