Home / 146,134.10-218,812.35-93,257.30

Finding the Fourth Proportional to 146,134.10, 218,812.35 and 93,257.30

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Solution

The fourth proportional to 146,134.10, 218,812.35 and 93,257.30 is: 139,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,134.10 : 218,812.35 = 93,257.30 : x
  2. Step 2: Convert to fraction form
    146,134.10/218,812.35 = 93,257.30/x
  3. Step 3: Cross multiply
    146,134.10x = 218,812.35 × 93,257.30
  4. Step 4: Simplify right side
    146,134.10x = 20,405,848,967.66
  5. Step 5: Solve for x
    x = 20,405,848,967.66/146,134.10
  6. Step 6: Final answer
    x = 139,637.83

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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.