Home / 112,408.72-155,834.30-106,416.24

Finding the Fourth Proportional to 112,408.72, 155,834.30 and 106,416.24

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Solution

The fourth proportional to 112,408.72, 155,834.30 and 106,416.24 is: 147,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,408.72 : 155,834.30 = 106,416.24 : x
  2. Step 2: Convert to fraction form
    112,408.72/155,834.30 = 106,416.24/x
  3. Step 3: Cross multiply
    112,408.72x = 155,834.30 × 106,416.24
  4. Step 4: Simplify right side
    112,408.72x = 16,583,300,269.03
  5. Step 5: Solve for x
    x = 16,583,300,269.03/112,408.72
  6. Step 6: Final answer
    x = 147,526.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.