Home / 135,192.48-202,817.21-40,430.04

Finding the Fourth Proportional to 135,192.48, 202,817.21 and 40,430.04

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Solution

The fourth proportional to 135,192.48, 202,817.21 and 40,430.04 is: 60,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,192.48 : 202,817.21 = 40,430.04 : x
  2. Step 2: Convert to fraction form
    135,192.48/202,817.21 = 40,430.04/x
  3. Step 3: Cross multiply
    135,192.48x = 202,817.21 × 40,430.04
  4. Step 4: Simplify right side
    135,192.48x = 8,199,907,710.84
  5. Step 5: Solve for x
    x = 8,199,907,710.84/135,192.48
  6. Step 6: Final answer
    x = 60,653.58

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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.