Home / 134,942.60-202,241.10-103,622.60

Finding the Fourth Proportional to 134,942.60, 202,241.10 and 103,622.60

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Solution

The fourth proportional to 134,942.60, 202,241.10 and 103,622.60 is: 155,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,942.60 : 202,241.10 = 103,622.60 : x
  2. Step 2: Convert to fraction form
    134,942.60/202,241.10 = 103,622.60/x
  3. Step 3: Cross multiply
    134,942.60x = 202,241.10 × 103,622.60
  4. Step 4: Simplify right side
    134,942.60x = 20,956,748,608.86
  5. Step 5: Solve for x
    x = 20,956,748,608.86/134,942.60
  6. Step 6: Final answer
    x = 155,301.21

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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.