Home / 144,576.09-216,962.25-51,081.84

Finding the Fourth Proportional to 144,576.09, 216,962.25 and 51,081.84

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Solution

The fourth proportional to 144,576.09, 216,962.25 and 51,081.84 is: 76,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,576.09 : 216,962.25 = 51,081.84 : x
  2. Step 2: Convert to fraction form
    144,576.09/216,962.25 = 51,081.84/x
  3. Step 3: Cross multiply
    144,576.09x = 216,962.25 × 51,081.84
  4. Step 4: Simplify right side
    144,576.09x = 11,082,830,748.98
  5. Step 5: Solve for x
    x = 11,082,830,748.98/144,576.09
  6. Step 6: Final answer
    x = 76,657.42

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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.