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Finding the Fourth Proportional to 143,290.13, 214,935.21 and 44,794.13

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Solution

The fourth proportional to 143,290.13, 214,935.21 and 44,794.13 is: 67,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,290.13 : 214,935.21 = 44,794.13 : x
  2. Step 2: Convert to fraction form
    143,290.13/214,935.21 = 44,794.13/x
  3. Step 3: Cross multiply
    143,290.13x = 214,935.21 × 44,794.13
  4. Step 4: Simplify right side
    143,290.13x = 9,627,834,663.64
  5. Step 5: Solve for x
    x = 9,627,834,663.64/143,290.13
  6. Step 6: Final answer
    x = 67,191.19

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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.