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Finding the Fourth Proportional to 102,557.60, 153,836.40 and 88,733.60

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Solution

The fourth proportional to 102,557.60, 153,836.40 and 88,733.60 is: 133,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,557.60 : 153,836.40 = 88,733.60 : x
  2. Step 2: Convert to fraction form
    102,557.60/153,836.40 = 88,733.60/x
  3. Step 3: Cross multiply
    102,557.60x = 153,836.40 × 88,733.60
  4. Step 4: Simplify right side
    102,557.60x = 13,650,457,583.04
  5. Step 5: Solve for x
    x = 13,650,457,583.04/102,557.60
  6. Step 6: Final answer
    x = 133,100.40

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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.