Home / 87,918.03-121,326.53-50,192.28

Finding the Fourth Proportional to 87,918.03, 121,326.53 and 50,192.28

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Solution

The fourth proportional to 87,918.03, 121,326.53 and 50,192.28 is: 69,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,918.03 : 121,326.53 = 50,192.28 : x
  2. Step 2: Convert to fraction form
    87,918.03/121,326.53 = 50,192.28/x
  3. Step 3: Cross multiply
    87,918.03x = 121,326.53 × 50,192.28
  4. Step 4: Simplify right side
    87,918.03x = 6,089,654,914.23
  5. Step 5: Solve for x
    x = 6,089,654,914.23/87,918.03
  6. Step 6: Final answer
    x = 69,265.14

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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.