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Finding the Fourth Proportional to 110,359.60, 165,539.40 and 99,300.40

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Solution

The fourth proportional to 110,359.60, 165,539.40 and 99,300.40 is: 148,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,359.60 : 165,539.40 = 99,300.40 : x
  2. Step 2: Convert to fraction form
    110,359.60/165,539.40 = 99,300.40/x
  3. Step 3: Cross multiply
    110,359.60x = 165,539.40 × 99,300.40
  4. Step 4: Simplify right side
    110,359.60x = 16,438,128,635.76
  5. Step 5: Solve for x
    x = 16,438,128,635.76/110,359.60
  6. Step 6: Final answer
    x = 148,950.60

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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.