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Finding the Fourth Proportional to 147,360.04, 220,855.09 and 63,021

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Solution

The fourth proportional to 147,360.04, 220,855.09 and 63,021 is: 94,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,360.04 : 220,855.09 = 63,021 : x
  2. Step 2: Convert to fraction form
    147,360.04/220,855.09 = 63,021/x
  3. Step 3: Cross multiply
    147,360.04x = 220,855.09 × 63,021
  4. Step 4: Simplify right side
    147,360.04x = 13,918,508,626.89
  5. Step 5: Solve for x
    x = 13,918,508,626.89/147,360.04
  6. Step 6: Final answer
    x = 94,452.39

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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.