Home / 165,505.80-248,258.70-99,150.60

Finding the Fourth Proportional to 165,505.80, 248,258.70 and 99,150.60

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Solution

The fourth proportional to 165,505.80, 248,258.70 and 99,150.60 is: 148,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,505.80 : 248,258.70 = 99,150.60 : x
  2. Step 2: Convert to fraction form
    165,505.80/248,258.70 = 99,150.60/x
  3. Step 3: Cross multiply
    165,505.80x = 248,258.70 × 99,150.60
  4. Step 4: Simplify right side
    165,505.80x = 24,614,999,060.22
  5. Step 5: Solve for x
    x = 24,614,999,060.22/165,505.80
  6. Step 6: Final answer
    x = 148,725.90

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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.