Home / 228,010.31-314,685.47-131,212.17

Finding the Fourth Proportional to 228,010.31, 314,685.47 and 131,212.17

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Solution

The fourth proportional to 228,010.31, 314,685.47 and 131,212.17 is: 181,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,010.31 : 314,685.47 = 131,212.17 : x
  2. Step 2: Convert to fraction form
    228,010.31/314,685.47 = 131,212.17/x
  3. Step 3: Cross multiply
    228,010.31x = 314,685.47 × 131,212.17
  4. Step 4: Simplify right side
    228,010.31x = 41,290,563,714.20
  5. Step 5: Solve for x
    x = 41,290,563,714.20/228,010.31
  6. Step 6: Final answer
    x = 181,090.78

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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.