Home / 148,317.21-204,678.09-80,333.91

Finding the Fourth Proportional to 148,317.21, 204,678.09 and 80,333.91

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Solution

The fourth proportional to 148,317.21, 204,678.09 and 80,333.91 is: 110,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,317.21 : 204,678.09 = 80,333.91 : x
  2. Step 2: Convert to fraction form
    148,317.21/204,678.09 = 80,333.91/x
  3. Step 3: Cross multiply
    148,317.21x = 204,678.09 × 80,333.91
  4. Step 4: Simplify right side
    148,317.21x = 16,442,591,261.03
  5. Step 5: Solve for x
    x = 16,442,591,261.03/148,317.21
  6. Step 6: Final answer
    x = 110,860.98

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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.