Home / 162,940.31-244,095.20-91,646.33

Finding the Fourth Proportional to 162,940.31, 244,095.20 and 91,646.33

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Solution

The fourth proportional to 162,940.31, 244,095.20 and 91,646.33 is: 137,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,940.31 : 244,095.20 = 91,646.33 : x
  2. Step 2: Convert to fraction form
    162,940.31/244,095.20 = 91,646.33/x
  3. Step 3: Cross multiply
    162,940.31x = 244,095.20 × 91,646.33
  4. Step 4: Simplify right side
    162,940.31x = 22,370,429,250.62
  5. Step 5: Solve for x
    x = 22,370,429,250.62/162,940.31
  6. Step 6: Final answer
    x = 137,292.18

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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.