Home / 143,266.62-214,901.55-43,426.02

Finding the Fourth Proportional to 143,266.62, 214,901.55 and 43,426.02

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Solution

The fourth proportional to 143,266.62, 214,901.55 and 43,426.02 is: 65,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,266.62 : 214,901.55 = 43,426.02 : x
  2. Step 2: Convert to fraction form
    143,266.62/214,901.55 = 43,426.02/x
  3. Step 3: Cross multiply
    143,266.62x = 214,901.55 × 43,426.02
  4. Step 4: Simplify right side
    143,266.62x = 9,332,319,008.33
  5. Step 5: Solve for x
    x = 9,332,319,008.33/143,266.62
  6. Step 6: Final answer
    x = 65,139.52

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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.