Home / 222,732.48-307,369.92-122,130.24

Finding the Fourth Proportional to 222,732.48, 307,369.92 and 122,130.24

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Solution

The fourth proportional to 222,732.48, 307,369.92 and 122,130.24 is: 168,539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,732.48 : 307,369.92 = 122,130.24 : x
  2. Step 2: Convert to fraction form
    222,732.48/307,369.92 = 122,130.24/x
  3. Step 3: Cross multiply
    222,732.48x = 307,369.92 × 122,130.24
  4. Step 4: Simplify right side
    222,732.48x = 37,539,162,098.38
  5. Step 5: Solve for x
    x = 37,539,162,098.38/222,732.48
  6. Step 6: Final answer
    x = 168,539.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.