Home / 140,603.12-210,924.72-51,849.75

Finding the Fourth Proportional to 140,603.12, 210,924.72 and 51,849.75

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Solution

The fourth proportional to 140,603.12, 210,924.72 and 51,849.75 is: 77,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,603.12 : 210,924.72 = 51,849.75 : x
  2. Step 2: Convert to fraction form
    140,603.12/210,924.72 = 51,849.75/x
  3. Step 3: Cross multiply
    140,603.12x = 210,924.72 × 51,849.75
  4. Step 4: Simplify right side
    140,603.12x = 10,936,394,000.82
  5. Step 5: Solve for x
    x = 10,936,394,000.82/140,603.12
  6. Step 6: Final answer
    x = 77,782.02

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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.