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Finding the Fourth Proportional to 101,426.68, 152,214.69 and 48,118.76

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Solution

The fourth proportional to 101,426.68, 152,214.69 and 48,118.76 is: 72,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,426.68 : 152,214.69 = 48,118.76 : x
  2. Step 2: Convert to fraction form
    101,426.68/152,214.69 = 48,118.76/x
  3. Step 3: Cross multiply
    101,426.68x = 152,214.69 × 48,118.76
  4. Step 4: Simplify right side
    101,426.68x = 7,324,382,126.76
  5. Step 5: Solve for x
    x = 7,324,382,126.76/101,426.68
  6. Step 6: Final answer
    x = 72,213.56

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1.5x scale

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.