Home / 144,747.90-216,997.38-69,765.12

Finding the Fourth Proportional to 144,747.90, 216,997.38 and 69,765.12

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Solution

The fourth proportional to 144,747.90, 216,997.38 and 69,765.12 is: 104,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,747.90 : 216,997.38 = 69,765.12 : x
  2. Step 2: Convert to fraction form
    144,747.90/216,997.38 = 69,765.12/x
  3. Step 3: Cross multiply
    144,747.90x = 216,997.38 × 69,765.12
  4. Step 4: Simplify right side
    144,747.90x = 15,138,848,255.39
  5. Step 5: Solve for x
    x = 15,138,848,255.39/144,747.90
  6. Step 6: Final answer
    x = 104,587.69

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1.5x scale

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.