Home / 145,614.23-200,961.19-85,181.04

Finding the Fourth Proportional to 145,614.23, 200,961.19 and 85,181.04

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Solution

The fourth proportional to 145,614.23, 200,961.19 and 85,181.04 is: 117,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,614.23 : 200,961.19 = 85,181.04 : x
  2. Step 2: Convert to fraction form
    145,614.23/200,961.19 = 85,181.04/x
  3. Step 3: Cross multiply
    145,614.23x = 200,961.19 × 85,181.04
  4. Step 4: Simplify right side
    145,614.23x = 17,118,082,516.71
  5. Step 5: Solve for x
    x = 17,118,082,516.71/145,614.23
  6. Step 6: Final answer
    x = 117,557.76

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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.