Home / 194,146.47-291,289.79-67,805.32

Finding the Fourth Proportional to 194,146.47, 291,289.79 and 67,805.32

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Solution

The fourth proportional to 194,146.47, 291,289.79 and 67,805.32 is: 101,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,146.47 : 291,289.79 = 67,805.32 : x
  2. Step 2: Convert to fraction form
    194,146.47/291,289.79 = 67,805.32/x
  3. Step 3: Cross multiply
    194,146.47x = 291,289.79 × 67,805.32
  4. Step 4: Simplify right side
    194,146.47x = 19,750,997,423.68
  5. Step 5: Solve for x
    x = 19,750,997,423.68/194,146.47
  6. Step 6: Final answer
    x = 101,732.46

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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.