Home / 151,274.93-208,751.64-83,278.79

Finding the Fourth Proportional to 151,274.93, 208,751.64 and 83,278.79

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Solution

The fourth proportional to 151,274.93, 208,751.64 and 83,278.79 is: 114,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,274.93 : 208,751.64 = 83,278.79 : x
  2. Step 2: Convert to fraction form
    151,274.93/208,751.64 = 83,278.79/x
  3. Step 3: Cross multiply
    151,274.93x = 208,751.64 × 83,278.79
  4. Step 4: Simplify right side
    151,274.93x = 17,384,582,945.96
  5. Step 5: Solve for x
    x = 17,384,582,945.96/151,274.93
  6. Step 6: Final answer
    x = 114,920.45

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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.