Home / 129,433.54-194,071.02-50,455.50

Finding the Fourth Proportional to 129,433.54, 194,071.02 and 50,455.50

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Solution

The fourth proportional to 129,433.54, 194,071.02 and 50,455.50 is: 75,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,433.54 : 194,071.02 = 50,455.50 : x
  2. Step 2: Convert to fraction form
    129,433.54/194,071.02 = 50,455.50/x
  3. Step 3: Cross multiply
    129,433.54x = 194,071.02 × 50,455.50
  4. Step 4: Simplify right side
    129,433.54x = 9,791,950,349.61
  5. Step 5: Solve for x
    x = 9,791,950,349.61/129,433.54
  6. Step 6: Final answer
    x = 75,652.34

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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.