Home / 142,396.06-213,626.49-75,801.10

Finding the Fourth Proportional to 142,396.06, 213,626.49 and 75,801.10

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Solution

The fourth proportional to 142,396.06, 213,626.49 and 75,801.10 is: 113,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,396.06 : 213,626.49 = 75,801.10 : x
  2. Step 2: Convert to fraction form
    142,396.06/213,626.49 = 75,801.10/x
  3. Step 3: Cross multiply
    142,396.06x = 213,626.49 × 75,801.10
  4. Step 4: Simplify right side
    142,396.06x = 16,193,122,931.14
  5. Step 5: Solve for x
    x = 16,193,122,931.14/142,396.06
  6. Step 6: Final answer
    x = 113,718.90

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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.