Home / 165,345.41-248,012.64-71,851.16

Finding the Fourth Proportional to 165,345.41, 248,012.64 and 71,851.16

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Solution

The fourth proportional to 165,345.41, 248,012.64 and 71,851.16 is: 107,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,345.41 : 248,012.64 = 71,851.16 : x
  2. Step 2: Convert to fraction form
    165,345.41/248,012.64 = 71,851.16/x
  3. Step 3: Cross multiply
    165,345.41x = 248,012.64 × 71,851.16
  4. Step 4: Simplify right side
    165,345.41x = 17,819,994,638.60
  5. Step 5: Solve for x
    x = 17,819,994,638.60/165,345.41
  6. Step 6: Final answer
    x = 107,774.36

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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.