Home / 151,459.07-209,010.69-82,549.13

Finding the Fourth Proportional to 151,459.07, 209,010.69 and 82,549.13

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Solution

The fourth proportional to 151,459.07, 209,010.69 and 82,549.13 is: 113,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,459.07 : 209,010.69 = 82,549.13 : x
  2. Step 2: Convert to fraction form
    151,459.07/209,010.69 = 82,549.13/x
  3. Step 3: Cross multiply
    151,459.07x = 209,010.69 × 82,549.13
  4. Step 4: Simplify right side
    151,459.07x = 17,253,649,575.15
  5. Step 5: Solve for x
    x = 17,253,649,575.15/151,459.07
  6. Step 6: Final answer
    x = 113,916.26

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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.