Home / 138,467.43-207,612.39-58,483.72

Finding the Fourth Proportional to 138,467.43, 207,612.39 and 58,483.72

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Solution

The fourth proportional to 138,467.43, 207,612.39 and 58,483.72 is: 87,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,467.43 : 207,612.39 = 58,483.72 : x
  2. Step 2: Convert to fraction form
    138,467.43/207,612.39 = 58,483.72/x
  3. Step 3: Cross multiply
    138,467.43x = 207,612.39 × 58,483.72
  4. Step 4: Simplify right side
    138,467.43x = 12,141,944,885.29
  5. Step 5: Solve for x
    x = 12,141,944,885.29/138,467.43
  6. Step 6: Final answer
    x = 87,688.09

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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.