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Finding the Fourth Proportional to 148,722.84, 223,051.47 and 43,550.01

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Solution

The fourth proportional to 148,722.84, 223,051.47 and 43,550.01 is: 65,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,722.84 : 223,051.47 = 43,550.01 : x
  2. Step 2: Convert to fraction form
    148,722.84/223,051.47 = 43,550.01/x
  3. Step 3: Cross multiply
    148,722.84x = 223,051.47 × 43,550.01
  4. Step 4: Simplify right side
    148,722.84x = 9,713,893,749.01
  5. Step 5: Solve for x
    x = 9,713,893,749.01/148,722.84
  6. Step 6: Final answer
    x = 65,315.41

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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.