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Finding the Fourth Proportional to 147,338.52, 220,944.81 and 56,094.06

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Solution

The fourth proportional to 147,338.52, 220,944.81 and 56,094.06 is: 84,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,338.52 : 220,944.81 = 56,094.06 : x
  2. Step 2: Convert to fraction form
    147,338.52/220,944.81 = 56,094.06/x
  3. Step 3: Cross multiply
    147,338.52x = 220,944.81 × 56,094.06
  4. Step 4: Simplify right side
    147,338.52x = 12,393,691,428.83
  5. Step 5: Solve for x
    x = 12,393,691,428.83/147,338.52
  6. Step 6: Final answer
    x = 84,117.12

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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.