Home / 142,845.68-214,266.14-34,776.19

Finding the Fourth Proportional to 142,845.68, 214,266.14 and 34,776.19

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Solution

The fourth proportional to 142,845.68, 214,266.14 and 34,776.19 is: 52,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,845.68 : 214,266.14 = 34,776.19 : x
  2. Step 2: Convert to fraction form
    142,845.68/214,266.14 = 34,776.19/x
  3. Step 3: Cross multiply
    142,845.68x = 214,266.14 × 34,776.19
  4. Step 4: Simplify right side
    142,845.68x = 7,451,358,749.99
  5. Step 5: Solve for x
    x = 7,451,358,749.99/142,845.68
  6. Step 6: Final answer
    x = 52,163.70

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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.