Home / 149,975.56-224,917.88-78,859.86

Finding the Fourth Proportional to 149,975.56, 224,917.88 and 78,859.86

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Solution

The fourth proportional to 149,975.56, 224,917.88 and 78,859.86 is: 118,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,975.56 : 224,917.88 = 78,859.86 : x
  2. Step 2: Convert to fraction form
    149,975.56/224,917.88 = 78,859.86/x
  3. Step 3: Cross multiply
    149,975.56x = 224,917.88 × 78,859.86
  4. Step 4: Simplify right side
    149,975.56x = 17,736,992,528.30
  5. Step 5: Solve for x
    x = 17,736,992,528.30/149,975.56
  6. Step 6: Final answer
    x = 118,265.89

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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.