Home / 93,110.38-139,612.88-85,175.62

Finding the Fourth Proportional to 93,110.38, 139,612.88 and 85,175.62

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Solution

The fourth proportional to 93,110.38, 139,612.88 and 85,175.62 is: 127,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,110.38 : 139,612.88 = 85,175.62 : x
  2. Step 2: Convert to fraction form
    93,110.38/139,612.88 = 85,175.62/x
  3. Step 3: Cross multiply
    93,110.38x = 139,612.88 × 85,175.62
  4. Step 4: Simplify right side
    93,110.38x = 11,891,613,188.11
  5. Step 5: Solve for x
    x = 11,891,613,188.11/93,110.38
  6. Step 6: Final answer
    x = 127,715.23

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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.