Home / 154,682.22-231,985.51-49,479.42

Finding the Fourth Proportional to 154,682.22, 231,985.51 and 49,479.42

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Solution

The fourth proportional to 154,682.22, 231,985.51 and 49,479.42 is: 74,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,682.22 : 231,985.51 = 49,479.42 : x
  2. Step 2: Convert to fraction form
    154,682.22/231,985.51 = 49,479.42/x
  3. Step 3: Cross multiply
    154,682.22x = 231,985.51 × 49,479.42
  4. Step 4: Simplify right side
    154,682.22x = 11,478,508,483.20
  5. Step 5: Solve for x
    x = 11,478,508,483.20/154,682.22
  6. Step 6: Final answer
    x = 74,207.03

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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.