Home / 146,462.06-202,108.10-81,920.12

Finding the Fourth Proportional to 146,462.06, 202,108.10 and 81,920.12

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Solution

The fourth proportional to 146,462.06, 202,108.10 and 81,920.12 is: 113,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,462.06 : 202,108.10 = 81,920.12 : x
  2. Step 2: Convert to fraction form
    146,462.06/202,108.10 = 81,920.12/x
  3. Step 3: Cross multiply
    146,462.06x = 202,108.10 × 81,920.12
  4. Step 4: Simplify right side
    146,462.06x = 16,556,718,999.23
  5. Step 5: Solve for x
    x = 16,556,718,999.23/146,462.06
  6. Step 6: Final answer
    x = 113,044.42

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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.