Home / 194,307.54-291,278.79-67,869.78

Finding the Fourth Proportional to 194,307.54, 291,278.79 and 67,869.78

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Solution

The fourth proportional to 194,307.54, 291,278.79 and 67,869.78 is: 101,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,307.54 : 291,278.79 = 67,869.78 : x
  2. Step 2: Convert to fraction form
    194,307.54/291,278.79 = 67,869.78/x
  3. Step 3: Cross multiply
    194,307.54x = 291,278.79 × 67,869.78
  4. Step 4: Simplify right side
    194,307.54x = 19,769,027,395.97
  5. Step 5: Solve for x
    x = 19,769,027,395.97/194,307.54
  6. Step 6: Final answer
    x = 101,740.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.