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Finding the Fourth Proportional to 163,898.40, 245,847.60 and 53,090.40

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Solution

The fourth proportional to 163,898.40, 245,847.60 and 53,090.40 is: 79,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,898.40 : 245,847.60 = 53,090.40 : x
  2. Step 2: Convert to fraction form
    163,898.40/245,847.60 = 53,090.40/x
  3. Step 3: Cross multiply
    163,898.40x = 245,847.60 × 53,090.40
  4. Step 4: Simplify right side
    163,898.40x = 13,052,147,423.04
  5. Step 5: Solve for x
    x = 13,052,147,423.04/163,898.40
  6. Step 6: Final answer
    x = 79,635.60

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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.