Home / 146,730.60-219,804.30-84,328.20

Finding the Fourth Proportional to 146,730.60, 219,804.30 and 84,328.20

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Solution

The fourth proportional to 146,730.60, 219,804.30 and 84,328.20 is: 126,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,730.60 : 219,804.30 = 84,328.20 : x
  2. Step 2: Convert to fraction form
    146,730.60/219,804.30 = 84,328.20/x
  3. Step 3: Cross multiply
    146,730.60x = 219,804.30 × 84,328.20
  4. Step 4: Simplify right side
    146,730.60x = 18,535,700,971.26
  5. Step 5: Solve for x
    x = 18,535,700,971.26/146,730.60
  6. Step 6: Final answer
    x = 126,324.71

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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.