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Finding the Fourth Proportional to 134,241.61, 201,361.51 and 45,557.55

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Solution

The fourth proportional to 134,241.61, 201,361.51 and 45,557.55 is: 68,336.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,241.61 : 201,361.51 = 45,557.55 : x
  2. Step 2: Convert to fraction form
    134,241.61/201,361.51 = 45,557.55/x
  3. Step 3: Cross multiply
    134,241.61x = 201,361.51 × 45,557.55
  4. Step 4: Simplify right side
    134,241.61x = 9,173,537,059.90
  5. Step 5: Solve for x
    x = 9,173,537,059.90/134,241.61
  6. Step 6: Final answer
    x = 68,336.02

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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.