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Finding the Fourth Proportional to 101,325.80, 152,019.34 and 30,250.76

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Solution

The fourth proportional to 101,325.80, 152,019.34 and 30,250.76 is: 45,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,325.80 : 152,019.34 = 30,250.76 : x
  2. Step 2: Convert to fraction form
    101,325.80/152,019.34 = 30,250.76/x
  3. Step 3: Cross multiply
    101,325.80x = 152,019.34 × 30,250.76
  4. Step 4: Simplify right side
    101,325.80x = 4,598,700,569.70
  5. Step 5: Solve for x
    x = 4,598,700,569.70/101,325.80
  6. Step 6: Final answer
    x = 45,385.29

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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.