Home / 144,201.21-216,159.66-50,641.35

Finding the Fourth Proportional to 144,201.21, 216,159.66 and 50,641.35

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Solution

The fourth proportional to 144,201.21, 216,159.66 and 50,641.35 is: 75,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,201.21 : 216,159.66 = 50,641.35 : x
  2. Step 2: Convert to fraction form
    144,201.21/216,159.66 = 50,641.35/x
  3. Step 3: Cross multiply
    144,201.21x = 216,159.66 × 50,641.35
  4. Step 4: Simplify right side
    144,201.21x = 10,946,617,403.24
  5. Step 5: Solve for x
    x = 10,946,617,403.24/144,201.21
  6. Step 6: Final answer
    x = 75,912.10

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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.