Home / 144,975.63-200,218.50-99,770.34

Finding the Fourth Proportional to 144,975.63, 200,218.50 and 99,770.34

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Solution

The fourth proportional to 144,975.63, 200,218.50 and 99,770.34 is: 137,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,975.63 : 200,218.50 = 99,770.34 : x
  2. Step 2: Convert to fraction form
    144,975.63/200,218.50 = 99,770.34/x
  3. Step 3: Cross multiply
    144,975.63x = 200,218.50 × 99,770.34
  4. Step 4: Simplify right side
    144,975.63x = 19,975,867,819.29
  5. Step 5: Solve for x
    x = 19,975,867,819.29/144,975.63
  6. Step 6: Final answer
    x = 137,787.76

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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.