Home / 93,811.18-140,731.17-31,467.10

Finding the Fourth Proportional to 93,811.18, 140,731.17 and 31,467.10

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Solution

The fourth proportional to 93,811.18, 140,731.17 and 31,467.10 is: 47,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,811.18 : 140,731.17 = 31,467.10 : x
  2. Step 2: Convert to fraction form
    93,811.18/140,731.17 = 31,467.10/x
  3. Step 3: Cross multiply
    93,811.18x = 140,731.17 × 31,467.10
  4. Step 4: Simplify right side
    93,811.18x = 4,428,401,799.51
  5. Step 5: Solve for x
    x = 4,428,401,799.51/93,811.18
  6. Step 6: Final answer
    x = 47,205.48

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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.