Home / 87,888.36-121,294.62-50,168.28

Finding the Fourth Proportional to 87,888.36, 121,294.62 and 50,168.28

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Solution

The fourth proportional to 87,888.36, 121,294.62 and 50,168.28 is: 69,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,888.36 : 121,294.62 = 50,168.28 : x
  2. Step 2: Convert to fraction form
    87,888.36/121,294.62 = 50,168.28/x
  3. Step 3: Cross multiply
    87,888.36x = 121,294.62 × 50,168.28
  4. Step 4: Simplify right side
    87,888.36x = 6,085,142,458.65
  5. Step 5: Solve for x
    x = 6,085,142,458.65/87,888.36
  6. Step 6: Final answer
    x = 69,237.18

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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.