Home / 144,926.91-199,998.95-80,405.93

Finding the Fourth Proportional to 144,926.91, 199,998.95 and 80,405.93

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Solution

The fourth proportional to 144,926.91, 199,998.95 and 80,405.93 is: 110,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,926.91 : 199,998.95 = 80,405.93 : x
  2. Step 2: Convert to fraction form
    144,926.91/199,998.95 = 80,405.93/x
  3. Step 3: Cross multiply
    144,926.91x = 199,998.95 × 80,405.93
  4. Step 4: Simplify right side
    144,926.91x = 16,081,101,573.77
  5. Step 5: Solve for x
    x = 16,081,101,573.77/144,926.91
  6. Step 6: Final answer
    x = 110,960.08

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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.