Home / 151,278.39-208,762.41-83,293.92

Finding the Fourth Proportional to 151,278.39, 208,762.41 and 83,293.92

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Solution

The fourth proportional to 151,278.39, 208,762.41 and 83,293.92 is: 114,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,278.39 : 208,762.41 = 83,293.92 : x
  2. Step 2: Convert to fraction form
    151,278.39/208,762.41 = 83,293.92/x
  3. Step 3: Cross multiply
    151,278.39x = 208,762.41 × 83,293.92
  4. Step 4: Simplify right side
    151,278.39x = 17,388,639,477.55
  5. Step 5: Solve for x
    x = 17,388,639,477.55/151,278.39
  6. Step 6: Final answer
    x = 114,944.64

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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.