Home / 146,009.02-218,980.05-40,835.42

Finding the Fourth Proportional to 146,009.02, 218,980.05 and 40,835.42

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Solution

The fourth proportional to 146,009.02, 218,980.05 and 40,835.42 is: 61,243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,009.02 : 218,980.05 = 40,835.42 : x
  2. Step 2: Convert to fraction form
    146,009.02/218,980.05 = 40,835.42/x
  3. Step 3: Cross multiply
    146,009.02x = 218,980.05 × 40,835.42
  4. Step 4: Simplify right side
    146,009.02x = 8,942,142,313.37
  5. Step 5: Solve for x
    x = 8,942,142,313.37/146,009.02
  6. Step 6: Final answer
    x = 61,243.77

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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.