Home / 146,138.40-219,207.60-144,170.10

Finding the Fourth Proportional to 146,138.40, 219,207.60 and 144,170.10

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Solution

The fourth proportional to 146,138.40, 219,207.60 and 144,170.10 is: 216,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,138.40 : 219,207.60 = 144,170.10 : x
  2. Step 2: Convert to fraction form
    146,138.40/219,207.60 = 144,170.10/x
  3. Step 3: Cross multiply
    146,138.40x = 219,207.60 × 144,170.10
  4. Step 4: Simplify right side
    146,138.40x = 31,603,181,612.76
  5. Step 5: Solve for x
    x = 31,603,181,612.76/146,138.40
  6. Step 6: Final answer
    x = 216,255.15

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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.