Home / 165,637.20-248,455.80-106,539.60

Finding the Fourth Proportional to 165,637.20, 248,455.80 and 106,539.60

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Solution

The fourth proportional to 165,637.20, 248,455.80 and 106,539.60 is: 159,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,637.20 : 248,455.80 = 106,539.60 : x
  2. Step 2: Convert to fraction form
    165,637.20/248,455.80 = 106,539.60/x
  3. Step 3: Cross multiply
    165,637.20x = 248,455.80 × 106,539.60
  4. Step 4: Simplify right side
    165,637.20x = 26,470,381,549.68
  5. Step 5: Solve for x
    x = 26,470,381,549.68/165,637.20
  6. Step 6: Final answer
    x = 159,809.40

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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.