Home / 149,264.75-205,985.36-82,196.75

Finding the Fourth Proportional to 149,264.75, 205,985.36 and 82,196.75

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Solution

The fourth proportional to 149,264.75, 205,985.36 and 82,196.75 is: 113,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,264.75 : 205,985.36 = 82,196.75 : x
  2. Step 2: Convert to fraction form
    149,264.75/205,985.36 = 82,196.75/x
  3. Step 3: Cross multiply
    149,264.75x = 205,985.36 × 82,196.75
  4. Step 4: Simplify right side
    149,264.75x = 16,931,327,139.58
  5. Step 5: Solve for x
    x = 16,931,327,139.58/149,264.75
  6. Step 6: Final answer
    x = 113,431.52

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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.