Home / 151,226.88-208,690.47-83,245.20

Finding the Fourth Proportional to 151,226.88, 208,690.47 and 83,245.20

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Solution

The fourth proportional to 151,226.88, 208,690.47 and 83,245.20 is: 114,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,226.88 : 208,690.47 = 83,245.20 : x
  2. Step 2: Convert to fraction form
    151,226.88/208,690.47 = 83,245.20/x
  3. Step 3: Cross multiply
    151,226.88x = 208,690.47 × 83,245.20
  4. Step 4: Simplify right side
    151,226.88x = 17,372,479,913.24
  5. Step 5: Solve for x
    x = 17,372,479,913.24/151,226.88
  6. Step 6: Final answer
    x = 114,876.93

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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.