Home / 165,637.20-248,455.80-157,083.60

Finding the Fourth Proportional to 165,637.20, 248,455.80 and 157,083.60

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Solution

The fourth proportional to 165,637.20, 248,455.80 and 157,083.60 is: 235,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,637.20 : 248,455.80 = 157,083.60 : x
  2. Step 2: Convert to fraction form
    165,637.20/248,455.80 = 157,083.60/x
  3. Step 3: Cross multiply
    165,637.20x = 248,455.80 × 157,083.60
  4. Step 4: Simplify right side
    165,637.20x = 39,028,331,504.88
  5. Step 5: Solve for x
    x = 39,028,331,504.88/165,637.20
  6. Step 6: Final answer
    x = 235,625.40

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1.5x scale

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.