Home / 74,179.89-111,416.18-63,735.21

Finding the Fourth Proportional to 74,179.89, 111,416.18 and 63,735.21

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Solution

The fourth proportional to 74,179.89, 111,416.18 and 63,735.21 is: 95,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,179.89 : 111,416.18 = 63,735.21 : x
  2. Step 2: Convert to fraction form
    74,179.89/111,416.18 = 63,735.21/x
  3. Step 3: Cross multiply
    74,179.89x = 111,416.18 × 63,735.21
  4. Step 4: Simplify right side
    74,179.89x = 7,101,133,311.02
  5. Step 5: Solve for x
    x = 7,101,133,311.02/74,179.89
  6. Step 6: Final answer
    x = 95,728.55

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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.