Home / 144,590.96-199,533.57-80,928.74

Finding the Fourth Proportional to 144,590.96, 199,533.57 and 80,928.74

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Solution

The fourth proportional to 144,590.96, 199,533.57 and 80,928.74 is: 111,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,590.96 : 199,533.57 = 80,928.74 : x
  2. Step 2: Convert to fraction form
    144,590.96/199,533.57 = 80,928.74/x
  3. Step 3: Cross multiply
    144,590.96x = 199,533.57 × 80,928.74
  4. Step 4: Simplify right side
    144,590.96x = 16,148,000,407.80
  5. Step 5: Solve for x
    x = 16,148,000,407.80/144,590.96
  6. Step 6: Final answer
    x = 111,680.57

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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.