Home / 181,922.34-272,912.67-76,756.80

Finding the Fourth Proportional to 181,922.34, 272,912.67 and 76,756.80

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Solution

The fourth proportional to 181,922.34, 272,912.67 and 76,756.80 is: 115,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,922.34 : 272,912.67 = 76,756.80 : x
  2. Step 2: Convert to fraction form
    181,922.34/272,912.67 = 76,756.80/x
  3. Step 3: Cross multiply
    181,922.34x = 272,912.67 × 76,756.80
  4. Step 4: Simplify right side
    181,922.34x = 20,947,903,228.66
  5. Step 5: Solve for x
    x = 20,947,903,228.66/181,922.34
  6. Step 6: Final answer
    x = 115,147.50

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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.