Home / 254,686.30-381,791.93-86,089.32

Finding the Fourth Proportional to 254,686.30, 381,791.93 and 86,089.32

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Solution

The fourth proportional to 254,686.30, 381,791.93 and 86,089.32 is: 129,053.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,686.30 : 381,791.93 = 86,089.32 : x
  2. Step 2: Convert to fraction form
    254,686.30/381,791.93 = 86,089.32/x
  3. Step 3: Cross multiply
    254,686.30x = 381,791.93 × 86,089.32
  4. Step 4: Simplify right side
    254,686.30x = 32,868,207,635.19
  5. Step 5: Solve for x
    x = 32,868,207,635.19/254,686.30
  6. Step 6: Final answer
    x = 129,053.69

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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.