Home / 144,849.78-217,281.15-39,666.42

Finding the Fourth Proportional to 144,849.78, 217,281.15 and 39,666.42

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Solution

The fourth proportional to 144,849.78, 217,281.15 and 39,666.42 is: 59,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,849.78 : 217,281.15 = 39,666.42 : x
  2. Step 2: Convert to fraction form
    144,849.78/217,281.15 = 39,666.42/x
  3. Step 3: Cross multiply
    144,849.78x = 217,281.15 × 39,666.42
  4. Step 4: Simplify right side
    144,849.78x = 8,618,765,353.98
  5. Step 5: Solve for x
    x = 8,618,765,353.98/144,849.78
  6. Step 6: Final answer
    x = 59,501.40

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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.