Home / 132,941.70-199,412.55-90,951.30

Finding the Fourth Proportional to 132,941.70, 199,412.55 and 90,951.30

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Solution

The fourth proportional to 132,941.70, 199,412.55 and 90,951.30 is: 136,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,941.70 : 199,412.55 = 90,951.30 : x
  2. Step 2: Convert to fraction form
    132,941.70/199,412.55 = 90,951.30/x
  3. Step 3: Cross multiply
    132,941.70x = 199,412.55 × 90,951.30
  4. Step 4: Simplify right side
    132,941.70x = 18,136,830,658.82
  5. Step 5: Solve for x
    x = 18,136,830,658.82/132,941.70
  6. Step 6: Final answer
    x = 136,426.95

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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.