Home / 148,090.64-204,360-84,448.92

Finding the Fourth Proportional to 148,090.64, 204,360 and 84,448.92

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Solution

The fourth proportional to 148,090.64, 204,360 and 84,448.92 is: 116,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,090.64 : 204,360 = 84,448.92 : x
  2. Step 2: Convert to fraction form
    148,090.64/204,360 = 84,448.92/x
  3. Step 3: Cross multiply
    148,090.64x = 204,360 × 84,448.92
  4. Step 4: Simplify right side
    148,090.64x = 17,257,981,291.20
  5. Step 5: Solve for x
    x = 17,257,981,291.20/148,090.64
  6. Step 6: Final answer
    x = 116,536.61

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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.