Home / 140,318.98-210,561.47-51,634.73

Finding the Fourth Proportional to 140,318.98, 210,561.47 and 51,634.73

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Solution

The fourth proportional to 140,318.98, 210,561.47 and 51,634.73 is: 77,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,318.98 : 210,561.47 = 51,634.73 : x
  2. Step 2: Convert to fraction form
    140,318.98/210,561.47 = 51,634.73/x
  3. Step 3: Cross multiply
    140,318.98x = 210,561.47 × 51,634.73
  4. Step 4: Simplify right side
    140,318.98x = 10,872,284,651.85
  5. Step 5: Solve for x
    x = 10,872,284,651.85/140,318.98
  6. Step 6: Final answer
    x = 77,482.64

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1.5x scale

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.