Home / 145,721.18-218,351.52-110,013.54

Finding the Fourth Proportional to 145,721.18, 218,351.52 and 110,013.54

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Solution

The fourth proportional to 145,721.18, 218,351.52 and 110,013.54 is: 164,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,721.18 : 218,351.52 = 110,013.54 : x
  2. Step 2: Convert to fraction form
    145,721.18/218,351.52 = 110,013.54/x
  3. Step 3: Cross multiply
    145,721.18x = 218,351.52 × 110,013.54
  4. Step 4: Simplify right side
    145,721.18x = 24,021,623,679.58
  5. Step 5: Solve for x
    x = 24,021,623,679.58/145,721.18
  6. Step 6: Final answer
    x = 164,846.49

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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.