Home / 110,385.78-165,603.36-40,265.10

Finding the Fourth Proportional to 110,385.78, 165,603.36 and 40,265.10

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Solution

The fourth proportional to 110,385.78, 165,603.36 and 40,265.10 is: 60,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,385.78 : 165,603.36 = 40,265.10 : x
  2. Step 2: Convert to fraction form
    110,385.78/165,603.36 = 40,265.10/x
  3. Step 3: Cross multiply
    110,385.78x = 165,603.36 × 40,265.10
  4. Step 4: Simplify right side
    110,385.78x = 6,668,035,850.74
  5. Step 5: Solve for x
    x = 6,668,035,850.74/110,385.78
  6. Step 6: Final answer
    x = 60,406.66

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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.