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Finding the Fourth Proportional to 92,653.07, 138,978.59 and 22,532.45

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Solution

The fourth proportional to 92,653.07, 138,978.59 and 22,532.45 is: 33,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,653.07 : 138,978.59 = 22,532.45 : x
  2. Step 2: Convert to fraction form
    92,653.07/138,978.59 = 22,532.45/x
  3. Step 3: Cross multiply
    92,653.07x = 138,978.59 × 22,532.45
  4. Step 4: Simplify right side
    92,653.07x = 3,131,527,322.69
  5. Step 5: Solve for x
    x = 3,131,527,322.69/92,653.07
  6. Step 6: Final answer
    x = 33,798.42

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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.