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Finding the Fourth Proportional to 91,770.30, 137,655.45 and 91,770.30

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Solution

The fourth proportional to 91,770.30, 137,655.45 and 91,770.30 is: 137,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,770.30 : 137,655.45 = 91,770.30 : x
  2. Step 2: Convert to fraction form
    91,770.30/137,655.45 = 91,770.30/x
  3. Step 3: Cross multiply
    91,770.30x = 137,655.45 × 91,770.30
  4. Step 4: Simplify right side
    91,770.30x = 12,632,681,943.14
  5. Step 5: Solve for x
    x = 12,632,681,943.14/91,770.30
  6. Step 6: Final answer
    x = 137,655.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.