Home / 146,138.63-219,214.32-46,306.18

Finding the Fourth Proportional to 146,138.63, 219,214.32 and 46,306.18

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Solution

The fourth proportional to 146,138.63, 219,214.32 and 46,306.18 is: 69,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,138.63 : 219,214.32 = 46,306.18 : x
  2. Step 2: Convert to fraction form
    146,138.63/219,214.32 = 46,306.18/x
  3. Step 3: Cross multiply
    146,138.63x = 219,214.32 × 46,306.18
  4. Step 4: Simplify right side
    146,138.63x = 10,150,977,760.50
  5. Step 5: Solve for x
    x = 10,150,977,760.50/146,138.63
  6. Step 6: Final answer
    x = 69,461.29

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1.5x scale

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.