Home / 144,289.72-216,428.42-140,910.80

Finding the Fourth Proportional to 144,289.72, 216,428.42 and 140,910.80

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Solution

The fourth proportional to 144,289.72, 216,428.42 and 140,910.80 is: 211,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,289.72 : 216,428.42 = 140,910.80 : x
  2. Step 2: Convert to fraction form
    144,289.72/216,428.42 = 140,910.80/x
  3. Step 3: Cross multiply
    144,289.72x = 216,428.42 × 140,910.80
  4. Step 4: Simplify right side
    144,289.72x = 30,497,102,894.07
  5. Step 5: Solve for x
    x = 30,497,102,894.07/144,289.72
  6. Step 6: Final answer
    x = 211,360.20

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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.