Home / 140,622.18-210,949.64-49,409.55

Finding the Fourth Proportional to 140,622.18, 210,949.64 and 49,409.55

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Solution

The fourth proportional to 140,622.18, 210,949.64 and 49,409.55 is: 74,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,622.18 : 210,949.64 = 49,409.55 : x
  2. Step 2: Convert to fraction form
    140,622.18/210,949.64 = 49,409.55/x
  3. Step 3: Cross multiply
    140,622.18x = 210,949.64 × 49,409.55
  4. Step 4: Simplify right side
    140,622.18x = 10,422,926,538.01
  5. Step 5: Solve for x
    x = 10,422,926,538.01/140,622.18
  6. Step 6: Final answer
    x = 74,120.08

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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.