Home / 193,417.86-266,909.67-107,380.56

Finding the Fourth Proportional to 193,417.86, 266,909.67 and 107,380.56

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Solution

The fourth proportional to 193,417.86, 266,909.67 and 107,380.56 is: 148,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,417.86 : 266,909.67 = 107,380.56 : x
  2. Step 2: Convert to fraction form
    193,417.86/266,909.67 = 107,380.56/x
  3. Step 3: Cross multiply
    193,417.86x = 266,909.67 × 107,380.56
  4. Step 4: Simplify right side
    193,417.86x = 28,660,909,834.02
  5. Step 5: Solve for x
    x = 28,660,909,834.02/193,417.86
  6. Step 6: Final answer
    x = 148,181.30

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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.