Home / 144,658.20-216,998.10-51,151.80

Finding the Fourth Proportional to 144,658.20, 216,998.10 and 51,151.80

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Solution

The fourth proportional to 144,658.20, 216,998.10 and 51,151.80 is: 76,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,658.20 : 216,998.10 = 51,151.80 : x
  2. Step 2: Convert to fraction form
    144,658.20/216,998.10 = 51,151.80/x
  3. Step 3: Cross multiply
    144,658.20x = 216,998.10 × 51,151.80
  4. Step 4: Simplify right side
    144,658.20x = 11,099,843,411.58
  5. Step 5: Solve for x
    x = 11,099,843,411.58/144,658.20
  6. Step 6: Final answer
    x = 76,731.52

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1.5x scale

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.