Home / 114,245.40-171,397.67-66,900.50

Finding the Fourth Proportional to 114,245.40, 171,397.67 and 66,900.50

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Solution

The fourth proportional to 114,245.40, 171,397.67 and 66,900.50 is: 100,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,245.40 : 171,397.67 = 66,900.50 : x
  2. Step 2: Convert to fraction form
    114,245.40/171,397.67 = 66,900.50/x
  3. Step 3: Cross multiply
    114,245.40x = 171,397.67 × 66,900.50
  4. Step 4: Simplify right side
    114,245.40x = 11,466,589,821.84
  5. Step 5: Solve for x
    x = 11,466,589,821.84/114,245.40
  6. Step 6: Final answer
    x = 100,368.07

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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.