Home / 151,375.75-208,898.54-84,307.75

Finding the Fourth Proportional to 151,375.75, 208,898.54 and 84,307.75

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Solution

The fourth proportional to 151,375.75, 208,898.54 and 84,307.75 is: 116,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,375.75 : 208,898.54 = 84,307.75 : x
  2. Step 2: Convert to fraction form
    151,375.75/208,898.54 = 84,307.75/x
  3. Step 3: Cross multiply
    151,375.75x = 208,898.54 × 84,307.75
  4. Step 4: Simplify right side
    151,375.75x = 17,611,765,885.69
  5. Step 5: Solve for x
    x = 17,611,765,885.69/151,375.75
  6. Step 6: Final answer
    x = 116,344.70

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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.