Home / 144,266.81-199,081.80-80,603.24

Finding the Fourth Proportional to 144,266.81, 199,081.80 and 80,603.24

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Solution

The fourth proportional to 144,266.81, 199,081.80 and 80,603.24 is: 111,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,266.81 : 199,081.80 = 80,603.24 : x
  2. Step 2: Convert to fraction form
    144,266.81/199,081.80 = 80,603.24/x
  3. Step 3: Cross multiply
    144,266.81x = 199,081.80 × 80,603.24
  4. Step 4: Simplify right side
    144,266.81x = 16,046,638,105.03
  5. Step 5: Solve for x
    x = 16,046,638,105.03/144,266.81
  6. Step 6: Final answer
    x = 111,228.90

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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.