Home / 92,434.67-138,652.01-30,105.17

Finding the Fourth Proportional to 92,434.67, 138,652.01 and 30,105.17

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Solution

The fourth proportional to 92,434.67, 138,652.01 and 30,105.17 is: 45,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,434.67 : 138,652.01 = 30,105.17 : x
  2. Step 2: Convert to fraction form
    92,434.67/138,652.01 = 30,105.17/x
  3. Step 3: Cross multiply
    92,434.67x = 138,652.01 × 30,105.17
  4. Step 4: Simplify right side
    92,434.67x = 4,174,142,640.89
  5. Step 5: Solve for x
    x = 4,174,142,640.89/92,434.67
  6. Step 6: Final answer
    x = 45,157.76

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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.