Home / 90,955.14-136,437.77-27,784.86

Finding the Fourth Proportional to 90,955.14, 136,437.77 and 27,784.86

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Solution

The fourth proportional to 90,955.14, 136,437.77 and 27,784.86 is: 41,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,955.14 : 136,437.77 = 27,784.86 : x
  2. Step 2: Convert to fraction form
    90,955.14/136,437.77 = 27,784.86/x
  3. Step 3: Cross multiply
    90,955.14x = 136,437.77 × 27,784.86
  4. Step 4: Simplify right side
    90,955.14x = 3,790,904,338.16
  5. Step 5: Solve for x
    x = 3,790,904,338.16/90,955.14
  6. Step 6: Final answer
    x = 41,678.84

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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.