Home / 144,320.30-199,164.28-80,662.22

Finding the Fourth Proportional to 144,320.30, 199,164.28 and 80,662.22

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Solution

The fourth proportional to 144,320.30, 199,164.28 and 80,662.22 is: 111,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,320.30 : 199,164.28 = 80,662.22 : x
  2. Step 2: Convert to fraction form
    144,320.30/199,164.28 = 80,662.22/x
  3. Step 3: Cross multiply
    144,320.30x = 199,164.28 × 80,662.22
  4. Step 4: Simplify right side
    144,320.30x = 16,065,032,969.50
  5. Step 5: Solve for x
    x = 16,065,032,969.50/144,320.30
  6. Step 6: Final answer
    x = 111,315.13

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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.