Home / 112,245.60-168,222.16-45,607.81

Finding the Fourth Proportional to 112,245.60, 168,222.16 and 45,607.81

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Solution

The fourth proportional to 112,245.60, 168,222.16 and 45,607.81 is: 68,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,245.60 : 168,222.16 = 45,607.81 : x
  2. Step 2: Convert to fraction form
    112,245.60/168,222.16 = 45,607.81/x
  3. Step 3: Cross multiply
    112,245.60x = 168,222.16 × 45,607.81
  4. Step 4: Simplify right side
    112,245.60x = 7,672,244,311.07
  5. Step 5: Solve for x
    x = 7,672,244,311.07/112,245.60
  6. Step 6: Final answer
    x = 68,352.29

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1.5x scale

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.