Home / 148,991.33-223,416.63-54,154.79

Finding the Fourth Proportional to 148,991.33, 223,416.63 and 54,154.79

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Solution

The fourth proportional to 148,991.33, 223,416.63 and 54,154.79 is: 81,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,991.33 : 223,416.63 = 54,154.79 : x
  2. Step 2: Convert to fraction form
    148,991.33/223,416.63 = 54,154.79/x
  3. Step 3: Cross multiply
    148,991.33x = 223,416.63 × 54,154.79
  4. Step 4: Simplify right side
    148,991.33x = 12,099,079,563.07
  5. Step 5: Solve for x
    x = 12,099,079,563.07/148,991.33
  6. Step 6: Final answer
    x = 81,206.60

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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.