Home / 149,474.63-206,332.58-109,505.86

Finding the Fourth Proportional to 149,474.63, 206,332.58 and 109,505.86

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Solution

The fourth proportional to 149,474.63, 206,332.58 and 109,505.86 is: 151,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,474.63 : 206,332.58 = 109,505.86 : x
  2. Step 2: Convert to fraction form
    149,474.63/206,332.58 = 109,505.86/x
  3. Step 3: Cross multiply
    149,474.63x = 206,332.58 × 109,505.86
  4. Step 4: Simplify right side
    149,474.63x = 22,594,626,376.85
  5. Step 5: Solve for x
    x = 22,594,626,376.85/149,474.63
  6. Step 6: Final answer
    x = 151,160.27

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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.