Home / 144,865.81-199,926.71-81,194.77

Finding the Fourth Proportional to 144,865.81, 199,926.71 and 81,194.77

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Solution

The fourth proportional to 144,865.81, 199,926.71 and 81,194.77 is: 112,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,865.81 : 199,926.71 = 81,194.77 : x
  2. Step 2: Convert to fraction form
    144,865.81/199,926.71 = 81,194.77/x
  3. Step 3: Cross multiply
    144,865.81x = 199,926.71 × 81,194.77
  4. Step 4: Simplify right side
    144,865.81x = 16,233,003,235.31
  5. Step 5: Solve for x
    x = 16,233,003,235.31/144,865.81
  6. Step 6: Final answer
    x = 112,055.45

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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.