Home / 140,656.50-210,912.98-45,825.71

Finding the Fourth Proportional to 140,656.50, 210,912.98 and 45,825.71

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Solution

The fourth proportional to 140,656.50, 210,912.98 and 45,825.71 is: 68,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,656.50 : 210,912.98 = 45,825.71 : x
  2. Step 2: Convert to fraction form
    140,656.50/210,912.98 = 45,825.71/x
  3. Step 3: Cross multiply
    140,656.50x = 210,912.98 × 45,825.71
  4. Step 4: Simplify right side
    140,656.50x = 9,665,235,773.02
  5. Step 5: Solve for x
    x = 9,665,235,773.02/140,656.50
  6. Step 6: Final answer
    x = 68,715.17

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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.