Home / 231,200.09-346,996.97-91,057.13

Finding the Fourth Proportional to 231,200.09, 346,996.97 and 91,057.13

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Solution

The fourth proportional to 231,200.09, 346,996.97 and 91,057.13 is: 136,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,200.09 : 346,996.97 = 91,057.13 : x
  2. Step 2: Convert to fraction form
    231,200.09/346,996.97 = 91,057.13/x
  3. Step 3: Cross multiply
    231,200.09x = 346,996.97 × 91,057.13
  4. Step 4: Simplify right side
    231,200.09x = 31,596,548,206.90
  5. Step 5: Solve for x
    x = 31,596,548,206.90/231,200.09
  6. Step 6: Final answer
    x = 136,663.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.