Home / 99,282.36-148,927.38-29,160.12

Finding the Fourth Proportional to 99,282.36, 148,927.38 and 29,160.12

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Solution

The fourth proportional to 99,282.36, 148,927.38 and 29,160.12 is: 43,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,282.36 : 148,927.38 = 29,160.12 : x
  2. Step 2: Convert to fraction form
    99,282.36/148,927.38 = 29,160.12/x
  3. Step 3: Cross multiply
    99,282.36x = 148,927.38 × 29,160.12
  4. Step 4: Simplify right side
    99,282.36x = 4,342,740,272.09
  5. Step 5: Solve for x
    x = 4,342,740,272.09/99,282.36
  6. Step 6: Final answer
    x = 43,741.31

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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.