Home / 146,842.55-202,630.13-81,433.48

Finding the Fourth Proportional to 146,842.55, 202,630.13 and 81,433.48

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Solution

The fourth proportional to 146,842.55, 202,630.13 and 81,433.48 is: 112,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,842.55 : 202,630.13 = 81,433.48 : x
  2. Step 2: Convert to fraction form
    146,842.55/202,630.13 = 81,433.48/x
  3. Step 3: Cross multiply
    146,842.55x = 202,630.13 × 81,433.48
  4. Step 4: Simplify right side
    146,842.55x = 16,500,875,554.13
  5. Step 5: Solve for x
    x = 16,500,875,554.13/146,842.55
  6. Step 6: Final answer
    x = 112,371.22

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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.