Home / 146,633.40-220,009.14-53,145.72

Finding the Fourth Proportional to 146,633.40, 220,009.14 and 53,145.72

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Solution

The fourth proportional to 146,633.40, 220,009.14 and 53,145.72 is: 79,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,633.40 : 220,009.14 = 53,145.72 : x
  2. Step 2: Convert to fraction form
    146,633.40/220,009.14 = 53,145.72/x
  3. Step 3: Cross multiply
    146,633.40x = 220,009.14 × 53,145.72
  4. Step 4: Simplify right side
    146,633.40x = 11,692,544,151.88
  5. Step 5: Solve for x
    x = 11,692,544,151.88/146,633.40
  6. Step 6: Final answer
    x = 79,739.98

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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.