Home / 140,260.62-210,522.15-69,263.42

Finding the Fourth Proportional to 140,260.62, 210,522.15 and 69,263.42

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Solution

The fourth proportional to 140,260.62, 210,522.15 and 69,263.42 is: 103,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,260.62 : 210,522.15 = 69,263.42 : x
  2. Step 2: Convert to fraction form
    140,260.62/210,522.15 = 69,263.42/x
  3. Step 3: Cross multiply
    140,260.62x = 210,522.15 × 69,263.42
  4. Step 4: Simplify right side
    140,260.62x = 14,581,485,211.87
  5. Step 5: Solve for x
    x = 14,581,485,211.87/140,260.62
  6. Step 6: Final answer
    x = 103,959.94

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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.