Home / 142,797.63-214,036.07-67,856.43

Finding the Fourth Proportional to 142,797.63, 214,036.07 and 67,856.43

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Solution

The fourth proportional to 142,797.63, 214,036.07 and 67,856.43 is: 101,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,797.63 : 214,036.07 = 67,856.43 : x
  2. Step 2: Convert to fraction form
    142,797.63/214,036.07 = 67,856.43/x
  3. Step 3: Cross multiply
    142,797.63x = 214,036.07 × 67,856.43
  4. Step 4: Simplify right side
    142,797.63x = 14,523,723,262.15
  5. Step 5: Solve for x
    x = 14,523,723,262.15/142,797.63
  6. Step 6: Final answer
    x = 101,708.43

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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.