Home / 254,764.07-382,145.66-67,775.57

Finding the Fourth Proportional to 254,764.07, 382,145.66 and 67,775.57

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Solution

The fourth proportional to 254,764.07, 382,145.66 and 67,775.57 is: 101,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,764.07 : 382,145.66 = 67,775.57 : x
  2. Step 2: Convert to fraction form
    254,764.07/382,145.66 = 67,775.57/x
  3. Step 3: Cross multiply
    254,764.07x = 382,145.66 × 67,775.57
  4. Step 4: Simplify right side
    254,764.07x = 25,900,139,590.65
  5. Step 5: Solve for x
    x = 25,900,139,590.65/254,764.07
  6. Step 6: Final answer
    x = 101,663.24

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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.