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Finding the Fourth Proportional to 166,300.80, 249,451.20 and 53,980.80

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Solution

The fourth proportional to 166,300.80, 249,451.20 and 53,980.80 is: 80,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,300.80 : 249,451.20 = 53,980.80 : x
  2. Step 2: Convert to fraction form
    166,300.80/249,451.20 = 53,980.80/x
  3. Step 3: Cross multiply
    166,300.80x = 249,451.20 × 53,980.80
  4. Step 4: Simplify right side
    166,300.80x = 13,465,575,336.96
  5. Step 5: Solve for x
    x = 13,465,575,336.96/166,300.80
  6. Step 6: Final answer
    x = 80,971.20

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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.