Home / 136,172.96-204,214.08-57,272.48

Finding the Fourth Proportional to 136,172.96, 204,214.08 and 57,272.48

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Solution

The fourth proportional to 136,172.96, 204,214.08 and 57,272.48 is: 85,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,172.96 : 204,214.08 = 57,272.48 : x
  2. Step 2: Convert to fraction form
    136,172.96/204,214.08 = 57,272.48/x
  3. Step 3: Cross multiply
    136,172.96x = 204,214.08 × 57,272.48
  4. Step 4: Simplify right side
    136,172.96x = 11,695,846,812.52
  5. Step 5: Solve for x
    x = 11,695,846,812.52/136,172.96
  6. Step 6: Final answer
    x = 85,889.64

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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.