Home / 146,999.28-220,221.44-86,848.27

Finding the Fourth Proportional to 146,999.28, 220,221.44 and 86,848.27

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Solution

The fourth proportional to 146,999.28, 220,221.44 and 86,848.27 is: 130,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,999.28 : 220,221.44 = 86,848.27 : x
  2. Step 2: Convert to fraction form
    146,999.28/220,221.44 = 86,848.27/x
  3. Step 3: Cross multiply
    146,999.28x = 220,221.44 × 86,848.27
  4. Step 4: Simplify right side
    146,999.28x = 19,125,851,660.54
  5. Step 5: Solve for x
    x = 19,125,851,660.54/146,999.28
  6. Step 6: Final answer
    x = 130,108.47

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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.