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Finding the Fourth Proportional to 145,173.84, 200,361.60 and 88,618.08

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Solution

The fourth proportional to 145,173.84, 200,361.60 and 88,618.08 is: 122,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,173.84 : 200,361.60 = 88,618.08 : x
  2. Step 2: Convert to fraction form
    145,173.84/200,361.60 = 88,618.08/x
  3. Step 3: Cross multiply
    145,173.84x = 200,361.60 × 88,618.08
  4. Step 4: Simplify right side
    145,173.84x = 17,755,660,297.73
  5. Step 5: Solve for x
    x = 17,755,660,297.73/145,173.84
  6. Step 6: Final answer
    x = 122,306.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.