Home / 165,659.60-248,521.80-70,889.60

Finding the Fourth Proportional to 165,659.60, 248,521.80 and 70,889.60

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Solution

The fourth proportional to 165,659.60, 248,521.80 and 70,889.60 is: 106,348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,659.60 : 248,521.80 = 70,889.60 : x
  2. Step 2: Convert to fraction form
    165,659.60/248,521.80 = 70,889.60/x
  3. Step 3: Cross multiply
    165,659.60x = 248,521.80 × 70,889.60
  4. Step 4: Simplify right side
    165,659.60x = 17,617,610,993.28
  5. Step 5: Solve for x
    x = 17,617,610,993.28/165,659.60
  6. Step 6: Final answer
    x = 106,348.26

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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.