Home / 144,194.80-216,166.92-69,277.36

Finding the Fourth Proportional to 144,194.80, 216,166.92 and 69,277.36

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Solution

The fourth proportional to 144,194.80, 216,166.92 and 69,277.36 is: 103,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,194.80 : 216,166.92 = 69,277.36 : x
  2. Step 2: Convert to fraction form
    144,194.80/216,166.92 = 69,277.36/x
  3. Step 3: Cross multiply
    144,194.80x = 216,166.92 × 69,277.36
  4. Step 4: Simplify right side
    144,194.80x = 14,975,473,536.93
  5. Step 5: Solve for x
    x = 14,975,473,536.93/144,194.80
  6. Step 6: Final answer
    x = 103,855.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.