Home / 144,656.06-216,795.59-80,611.65

Finding the Fourth Proportional to 144,656.06, 216,795.59 and 80,611.65

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Solution

The fourth proportional to 144,656.06, 216,795.59 and 80,611.65 is: 120,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,656.06 : 216,795.59 = 80,611.65 : x
  2. Step 2: Convert to fraction form
    144,656.06/216,795.59 = 80,611.65/x
  3. Step 3: Cross multiply
    144,656.06x = 216,795.59 × 80,611.65
  4. Step 4: Simplify right side
    144,656.06x = 17,476,249,107.35
  5. Step 5: Solve for x
    x = 17,476,249,107.35/144,656.06
  6. Step 6: Final answer
    x = 120,812.43

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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.