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Finding the Fourth Proportional to 147,031, 202,906.02 and 79,963

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Solution

The fourth proportional to 147,031, 202,906.02 and 79,963 is: 110,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,031 : 202,906.02 = 79,963 : x
  2. Step 2: Convert to fraction form
    147,031/202,906.02 = 79,963/x
  3. Step 3: Cross multiply
    147,031x = 202,906.02 × 79,963
  4. Step 4: Simplify right side
    147,031x = 16,224,974,077.26
  5. Step 5: Solve for x
    x = 16,224,974,077.26/147,031
  6. Step 6: Final answer
    x = 110,350.70

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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.