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Finding the Fourth Proportional to 187,358.60, 258,661.86 and 123,880.52

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Solution

The fourth proportional to 187,358.60, 258,661.86 and 123,880.52 is: 171,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,358.60 : 258,661.86 = 123,880.52 : x
  2. Step 2: Convert to fraction form
    187,358.60/258,661.86 = 123,880.52/x
  3. Step 3: Cross multiply
    187,358.60x = 258,661.86 × 123,880.52
  4. Step 4: Simplify right side
    187,358.60x = 32,043,165,903.07
  5. Step 5: Solve for x
    x = 32,043,165,903.07/187,358.60
  6. Step 6: Final answer
    x = 171,025.86

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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.