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Finding the Fourth Proportional to 91,459.59, 137,197.08 and 35,297.43

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Solution

The fourth proportional to 91,459.59, 137,197.08 and 35,297.43 is: 52,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,459.59 : 137,197.08 = 35,297.43 : x
  2. Step 2: Convert to fraction form
    91,459.59/137,197.08 = 35,297.43/x
  3. Step 3: Cross multiply
    91,459.59x = 137,197.08 × 35,297.43
  4. Step 4: Simplify right side
    91,459.59x = 4,842,704,327.50
  5. Step 5: Solve for x
    x = 4,842,704,327.50/91,459.59
  6. Step 6: Final answer
    x = 52,949.11

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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.