Home / 231,215.04-346,968.36-90,955.44

Finding the Fourth Proportional to 231,215.04, 346,968.36 and 90,955.44

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Solution

The fourth proportional to 231,215.04, 346,968.36 and 90,955.44 is: 136,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,215.04 : 346,968.36 = 90,955.44 : x
  2. Step 2: Convert to fraction form
    231,215.04/346,968.36 = 90,955.44/x
  3. Step 3: Cross multiply
    231,215.04x = 346,968.36 × 90,955.44
  4. Step 4: Simplify right side
    231,215.04x = 31,558,659,849.88
  5. Step 5: Solve for x
    x = 31,558,659,849.88/231,215.04
  6. Step 6: Final answer
    x = 136,490.51

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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.