Home / 110,909.91-166,430.75-40,838.43

Finding the Fourth Proportional to 110,909.91, 166,430.75 and 40,838.43

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Solution

The fourth proportional to 110,909.91, 166,430.75 and 40,838.43 is: 61,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,909.91 : 166,430.75 = 40,838.43 : x
  2. Step 2: Convert to fraction form
    110,909.91/166,430.75 = 40,838.43/x
  3. Step 3: Cross multiply
    110,909.91x = 166,430.75 × 40,838.43
  4. Step 4: Simplify right side
    110,909.91x = 6,796,770,329.53
  5. Step 5: Solve for x
    x = 6,796,770,329.53/110,909.91
  6. Step 6: Final answer
    x = 61,281.90

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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.