Home / 109,142.08-150,655.89-68,882.11

Finding the Fourth Proportional to 109,142.08, 150,655.89 and 68,882.11

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Solution

The fourth proportional to 109,142.08, 150,655.89 and 68,882.11 is: 95,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,142.08 : 150,655.89 = 68,882.11 : x
  2. Step 2: Convert to fraction form
    109,142.08/150,655.89 = 68,882.11/x
  3. Step 3: Cross multiply
    109,142.08x = 150,655.89 × 68,882.11
  4. Step 4: Simplify right side
    109,142.08x = 10,377,495,587.13
  5. Step 5: Solve for x
    x = 10,377,495,587.13/109,142.08
  6. Step 6: Final answer
    x = 95,082.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.