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Finding the Fourth Proportional to 147,137.05, 220,707.60 and 41,956.00

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Solution

The fourth proportional to 147,137.05, 220,707.60 and 41,956.00 is: 62,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,137.05 : 220,707.60 = 41,956.00 : x
  2. Step 2: Convert to fraction form
    147,137.05/220,707.60 = 41,956.00/x
  3. Step 3: Cross multiply
    147,137.05x = 220,707.60 × 41,956.00
  4. Step 4: Simplify right side
    147,137.05x = 9,260,006,962.06
  5. Step 5: Solve for x
    x = 9,260,006,962.06/147,137.05
  6. Step 6: Final answer
    x = 62,934.57

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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.