Home / 144,965.40-217,438.32-39,775.56

Finding the Fourth Proportional to 144,965.40, 217,438.32 and 39,775.56

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Solution

The fourth proportional to 144,965.40, 217,438.32 and 39,775.56 is: 59,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,965.40 : 217,438.32 = 39,775.56 : x
  2. Step 2: Convert to fraction form
    144,965.40/217,438.32 = 39,775.56/x
  3. Step 3: Cross multiply
    144,965.40x = 217,438.32 × 39,775.56
  4. Step 4: Simplify right side
    144,965.40x = 8,648,730,943.46
  5. Step 5: Solve for x
    x = 8,648,730,943.46/144,965.40
  6. Step 6: Final answer
    x = 59,660.66

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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.