Home / 140,277.38-210,415.71-115,554.02

Finding the Fourth Proportional to 140,277.38, 210,415.71 and 115,554.02

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Solution

The fourth proportional to 140,277.38, 210,415.71 and 115,554.02 is: 173,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,277.38 : 210,415.71 = 115,554.02 : x
  2. Step 2: Convert to fraction form
    140,277.38/210,415.71 = 115,554.02/x
  3. Step 3: Cross multiply
    140,277.38x = 210,415.71 × 115,554.02
  4. Step 4: Simplify right side
    140,277.38x = 24,314,381,161.65
  5. Step 5: Solve for x
    x = 24,314,381,161.65/140,277.38
  6. Step 6: Final answer
    x = 173,330.73

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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.