Home / 144,400.72-199,277.40-80,749.84

Finding the Fourth Proportional to 144,400.72, 199,277.40 and 80,749.84

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Solution

The fourth proportional to 144,400.72, 199,277.40 and 80,749.84 is: 111,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,400.72 : 199,277.40 = 80,749.84 : x
  2. Step 2: Convert to fraction form
    144,400.72/199,277.40 = 80,749.84/x
  3. Step 3: Cross multiply
    144,400.72x = 199,277.40 × 80,749.84
  4. Step 4: Simplify right side
    144,400.72x = 16,091,618,165.62
  5. Step 5: Solve for x
    x = 16,091,618,165.62/144,400.72
  6. Step 6: Final answer
    x = 111,437.24

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1.5x scale

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.