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Finding the Fourth Proportional to 146,471.50, 202,130.67 and 79,403.50

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Solution

The fourth proportional to 146,471.50, 202,130.67 and 79,403.50 is: 109,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,471.50 : 202,130.67 = 79,403.50 : x
  2. Step 2: Convert to fraction form
    146,471.50/202,130.67 = 79,403.50/x
  3. Step 3: Cross multiply
    146,471.50x = 202,130.67 × 79,403.50
  4. Step 4: Simplify right side
    146,471.50x = 16,049,882,655.35
  5. Step 5: Solve for x
    x = 16,049,882,655.35/146,471.50
  6. Step 6: Final answer
    x = 109,576.83

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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.