Home / 146,483.78-202,146.64-82,821.83

Finding the Fourth Proportional to 146,483.78, 202,146.64 and 82,821.83

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Solution

The fourth proportional to 146,483.78, 202,146.64 and 82,821.83 is: 114,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,483.78 : 202,146.64 = 82,821.83 : x
  2. Step 2: Convert to fraction form
    146,483.78/202,146.64 = 82,821.83/x
  3. Step 3: Cross multiply
    146,483.78x = 202,146.64 × 82,821.83
  4. Step 4: Simplify right side
    146,483.78x = 16,742,153,435.36
  5. Step 5: Solve for x
    x = 16,742,153,435.36/146,483.78
  6. Step 6: Final answer
    x = 114,293.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.