Home / 144,441.77-199,328.96-80,779.82

Finding the Fourth Proportional to 144,441.77, 199,328.96 and 80,779.82

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Solution

The fourth proportional to 144,441.77, 199,328.96 and 80,779.82 is: 111,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,441.77 : 199,328.96 = 80,779.82 : x
  2. Step 2: Convert to fraction form
    144,441.77/199,328.96 = 80,779.82/x
  3. Step 3: Cross multiply
    144,441.77x = 199,328.96 × 80,779.82
  4. Step 4: Simplify right side
    144,441.77x = 16,101,757,509.59
  5. Step 5: Solve for x
    x = 16,101,757,509.59/144,441.77
  6. Step 6: Final answer
    x = 111,475.77

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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.