Home / 145,550.22-200,883.75-84,287.46

Finding the Fourth Proportional to 145,550.22, 200,883.75 and 84,287.46

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Solution

The fourth proportional to 145,550.22, 200,883.75 and 84,287.46 is: 116,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,550.22 : 200,883.75 = 84,287.46 : x
  2. Step 2: Convert to fraction form
    145,550.22/200,883.75 = 84,287.46/x
  3. Step 3: Cross multiply
    145,550.22x = 200,883.75 × 84,287.46
  4. Step 4: Simplify right side
    145,550.22x = 16,931,981,042.78
  5. Step 5: Solve for x
    x = 16,931,981,042.78/145,550.22
  6. Step 6: Final answer
    x = 116,330.85

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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.