Home / 152,195.37-210,114.07-91,781.32

Finding the Fourth Proportional to 152,195.37, 210,114.07 and 91,781.32

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Solution

The fourth proportional to 152,195.37, 210,114.07 and 91,781.32 is: 126,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,195.37 : 210,114.07 = 91,781.32 : x
  2. Step 2: Convert to fraction form
    152,195.37/210,114.07 = 91,781.32/x
  3. Step 3: Cross multiply
    152,195.37x = 210,114.07 × 91,781.32
  4. Step 4: Simplify right side
    152,195.37x = 19,284,546,695.17
  5. Step 5: Solve for x
    x = 19,284,546,695.17/152,195.37
  6. Step 6: Final answer
    x = 126,709.15

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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.