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Finding the Fourth Proportional to 166,969.60, 230,417.52 and 90,490.92

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Solution

The fourth proportional to 166,969.60, 230,417.52 and 90,490.92 is: 124,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,969.60 : 230,417.52 = 90,490.92 : x
  2. Step 2: Convert to fraction form
    166,969.60/230,417.52 = 90,490.92/x
  3. Step 3: Cross multiply
    166,969.60x = 230,417.52 × 90,490.92
  4. Step 4: Simplify right side
    166,969.60x = 20,850,693,368.92
  5. Step 5: Solve for x
    x = 20,850,693,368.92/166,969.60
  6. Step 6: Final answer
    x = 124,877.18

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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.