Home / 99,880.32-149,851.22-34,971.38

Finding the Fourth Proportional to 99,880.32, 149,851.22 and 34,971.38

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Solution

The fourth proportional to 99,880.32, 149,851.22 and 34,971.38 is: 52,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,880.32 : 149,851.22 = 34,971.38 : x
  2. Step 2: Convert to fraction form
    99,880.32/149,851.22 = 34,971.38/x
  3. Step 3: Cross multiply
    99,880.32x = 149,851.22 × 34,971.38
  4. Step 4: Simplify right side
    99,880.32x = 5,240,503,595.91
  5. Step 5: Solve for x
    x = 5,240,503,595.91/99,880.32
  6. Step 6: Final answer
    x = 52,467.83

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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.