Home / 144,334.50-199,178.16-80,678.22

Finding the Fourth Proportional to 144,334.50, 199,178.16 and 80,678.22

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Solution

The fourth proportional to 144,334.50, 199,178.16 and 80,678.22 is: 111,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,334.50 : 199,178.16 = 80,678.22 : x
  2. Step 2: Convert to fraction form
    144,334.50/199,178.16 = 80,678.22/x
  3. Step 3: Cross multiply
    144,334.50x = 199,178.16 × 80,678.22
  4. Step 4: Simplify right side
    144,334.50x = 16,069,339,411.68
  5. Step 5: Solve for x
    x = 16,069,339,411.68/144,334.50
  6. Step 6: Final answer
    x = 111,334.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.