Home / 146,538.57-219,463.40-71,423.32

Finding the Fourth Proportional to 146,538.57, 219,463.40 and 71,423.32

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Solution

The fourth proportional to 146,538.57, 219,463.40 and 71,423.32 is: 106,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,538.57 : 219,463.40 = 71,423.32 : x
  2. Step 2: Convert to fraction form
    146,538.57/219,463.40 = 71,423.32/x
  3. Step 3: Cross multiply
    146,538.57x = 219,463.40 × 71,423.32
  4. Step 4: Simplify right side
    146,538.57x = 15,674,804,487.00
  5. Step 5: Solve for x
    x = 15,674,804,487.00/146,538.57
  6. Step 6: Final answer
    x = 106,967.09

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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.