Home / 144,732.20-217,109.10-51,225.80

Finding the Fourth Proportional to 144,732.20, 217,109.10 and 51,225.80

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Solution

The fourth proportional to 144,732.20, 217,109.10 and 51,225.80 is: 76,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,732.20 : 217,109.10 = 51,225.80 : x
  2. Step 2: Convert to fraction form
    144,732.20/217,109.10 = 51,225.80/x
  3. Step 3: Cross multiply
    144,732.20x = 217,109.10 × 51,225.80
  4. Step 4: Simplify right side
    144,732.20x = 11,121,587,334.78
  5. Step 5: Solve for x
    x = 11,121,587,334.78/144,732.20
  6. Step 6: Final answer
    x = 76,842.52

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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.