Home / 231,999.51-320,181.80-130,042.29

Finding the Fourth Proportional to 231,999.51, 320,181.80 and 130,042.29

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Solution

The fourth proportional to 231,999.51, 320,181.80 and 130,042.29 is: 179,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,999.51 : 320,181.80 = 130,042.29 : x
  2. Step 2: Convert to fraction form
    231,999.51/320,181.80 = 130,042.29/x
  3. Step 3: Cross multiply
    231,999.51x = 320,181.80 × 130,042.29
  4. Step 4: Simplify right side
    231,999.51x = 41,637,173,838.11
  5. Step 5: Solve for x
    x = 41,637,173,838.11/231,999.51
  6. Step 6: Final answer
    x = 179,470.96

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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.