Home / 151,426.14-208,965.27-83,449.41

Finding the Fourth Proportional to 151,426.14, 208,965.27 and 83,449.41

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Solution

The fourth proportional to 151,426.14, 208,965.27 and 83,449.41 is: 115,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,426.14 : 208,965.27 = 83,449.41 : x
  2. Step 2: Convert to fraction form
    151,426.14/208,965.27 = 83,449.41/x
  3. Step 3: Cross multiply
    151,426.14x = 208,965.27 × 83,449.41
  4. Step 4: Simplify right side
    151,426.14x = 17,438,028,491.99
  5. Step 5: Solve for x
    x = 17,438,028,491.99/151,426.14
  6. Step 6: Final answer
    x = 115,158.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.