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Finding the Fourth Proportional to 107,057.40, 147,740.40 and 59,311.52

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Solution

The fourth proportional to 107,057.40, 147,740.40 and 59,311.52 is: 81,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,057.40 : 147,740.40 = 59,311.52 : x
  2. Step 2: Convert to fraction form
    107,057.40/147,740.40 = 59,311.52/x
  3. Step 3: Cross multiply
    107,057.40x = 147,740.40 × 59,311.52
  4. Step 4: Simplify right side
    107,057.40x = 8,762,707,689.41
  5. Step 5: Solve for x
    x = 8,762,707,689.41/107,057.40
  6. Step 6: Final answer
    x = 81,850.56

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