Home / 140,626.34-210,961.40-45,834.52

Finding the Fourth Proportional to 140,626.34, 210,961.40 and 45,834.52

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Solution

The fourth proportional to 140,626.34, 210,961.40 and 45,834.52 is: 68,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,626.34 : 210,961.40 = 45,834.52 : x
  2. Step 2: Convert to fraction form
    140,626.34/210,961.40 = 45,834.52/x
  3. Step 3: Cross multiply
    140,626.34x = 210,961.40 × 45,834.52
  4. Step 4: Simplify right side
    140,626.34x = 9,669,314,507.53
  5. Step 5: Solve for x
    x = 9,669,314,507.53/140,626.34
  6. Step 6: Final answer
    x = 68,758.91

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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.