Home / 168,165.90-252,035.58-166,386.18

Finding the Fourth Proportional to 168,165.90, 252,035.58 and 166,386.18

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Solution

The fourth proportional to 168,165.90, 252,035.58 and 166,386.18 is: 249,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,165.90 : 252,035.58 = 166,386.18 : x
  2. Step 2: Convert to fraction form
    168,165.90/252,035.58 = 166,386.18/x
  3. Step 3: Cross multiply
    168,165.90x = 252,035.58 × 166,386.18
  4. Step 4: Simplify right side
    168,165.90x = 41,935,237,380.28
  5. Step 5: Solve for x
    x = 41,935,237,380.28/168,165.90
  6. Step 6: Final answer
    x = 249,368.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.