Home / 165,066.28-247,600.54-40,407.72

Finding the Fourth Proportional to 165,066.28, 247,600.54 and 40,407.72

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Solution

The fourth proportional to 165,066.28, 247,600.54 and 40,407.72 is: 60,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,066.28 : 247,600.54 = 40,407.72 : x
  2. Step 2: Convert to fraction form
    165,066.28/247,600.54 = 40,407.72/x
  3. Step 3: Cross multiply
    165,066.28x = 247,600.54 × 40,407.72
  4. Step 4: Simplify right side
    165,066.28x = 10,004,973,292.17
  5. Step 5: Solve for x
    x = 10,004,973,292.17/165,066.28
  6. Step 6: Final answer
    x = 60,611.85

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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.