Home / 145,723.33-201,098.61-84,481.45

Finding the Fourth Proportional to 145,723.33, 201,098.61 and 84,481.45

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Solution

The fourth proportional to 145,723.33, 201,098.61 and 84,481.45 is: 116,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,723.33 : 201,098.61 = 84,481.45 : x
  2. Step 2: Convert to fraction form
    145,723.33/201,098.61 = 84,481.45/x
  3. Step 3: Cross multiply
    145,723.33x = 201,098.61 × 84,481.45
  4. Step 4: Simplify right side
    145,723.33x = 16,989,102,165.78
  5. Step 5: Solve for x
    x = 16,989,102,165.78/145,723.33
  6. Step 6: Final answer
    x = 116,584.64

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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.