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Finding the Fourth Proportional to 147,437.56, 203,463.84 and 80,369.56

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Solution

The fourth proportional to 147,437.56, 203,463.84 and 80,369.56 is: 110,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,437.56 : 203,463.84 = 80,369.56 : x
  2. Step 2: Convert to fraction form
    147,437.56/203,463.84 = 80,369.56/x
  3. Step 3: Cross multiply
    147,437.56x = 203,463.84 × 80,369.56
  4. Step 4: Simplify right side
    147,437.56x = 16,352,299,296.71
  5. Step 5: Solve for x
    x = 16,352,299,296.71/147,437.56
  6. Step 6: Final answer
    x = 110,910.00

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1.5x scale

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.