Home / 140,669.84-210,960.68-40,836.93

Finding the Fourth Proportional to 140,669.84, 210,960.68 and 40,836.93

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Solution

The fourth proportional to 140,669.84, 210,960.68 and 40,836.93 is: 61,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,669.84 : 210,960.68 = 40,836.93 : x
  2. Step 2: Convert to fraction form
    140,669.84/210,960.68 = 40,836.93/x
  3. Step 3: Cross multiply
    140,669.84x = 210,960.68 × 40,836.93
  4. Step 4: Simplify right side
    140,669.84x = 8,614,986,317.73
  5. Step 5: Solve for x
    x = 8,614,986,317.73/140,669.84
  6. Step 6: Final answer
    x = 61,242.60

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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.