Home / 90,740.40-136,110.60-27,560.40

Finding the Fourth Proportional to 90,740.40, 136,110.60 and 27,560.40

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Solution

The fourth proportional to 90,740.40, 136,110.60 and 27,560.40 is: 41,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,740.40 : 136,110.60 = 27,560.40 : x
  2. Step 2: Convert to fraction form
    90,740.40/136,110.60 = 27,560.40/x
  3. Step 3: Cross multiply
    90,740.40x = 136,110.60 × 27,560.40
  4. Step 4: Simplify right side
    90,740.40x = 3,751,262,580.24
  5. Step 5: Solve for x
    x = 3,751,262,580.24/90,740.40
  6. Step 6: Final answer
    x = 41,340.60

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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.