Home / 149,999.58-207,005.85-82,012.50

Finding the Fourth Proportional to 149,999.58, 207,005.85 and 82,012.50

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Solution

The fourth proportional to 149,999.58, 207,005.85 and 82,012.50 is: 113,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,999.58 : 207,005.85 = 82,012.50 : x
  2. Step 2: Convert to fraction form
    149,999.58/207,005.85 = 82,012.50/x
  3. Step 3: Cross multiply
    149,999.58x = 207,005.85 × 82,012.50
  4. Step 4: Simplify right side
    149,999.58x = 16,977,066,630.48
  5. Step 5: Solve for x
    x = 16,977,066,630.48/149,999.58
  6. Step 6: Final answer
    x = 113,180.76

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1.5x scale

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.