Home / 171,710.20-257,565.30-148,090.60

Finding the Fourth Proportional to 171,710.20, 257,565.30 and 148,090.60

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Solution

The fourth proportional to 171,710.20, 257,565.30 and 148,090.60 is: 222,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,710.20 : 257,565.30 = 148,090.60 : x
  2. Step 2: Convert to fraction form
    171,710.20/257,565.30 = 148,090.60/x
  3. Step 3: Cross multiply
    171,710.20x = 257,565.30 × 148,090.60
  4. Step 4: Simplify right side
    171,710.20x = 38,142,999,816.18
  5. Step 5: Solve for x
    x = 38,142,999,816.18/171,710.20
  6. Step 6: Final answer
    x = 222,135.90

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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.