Home / 142,976.40-214,466.15-43,137.48

Finding the Fourth Proportional to 142,976.40, 214,466.15 and 43,137.48

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Solution

The fourth proportional to 142,976.40, 214,466.15 and 43,137.48 is: 64,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,976.40 : 214,466.15 = 43,137.48 : x
  2. Step 2: Convert to fraction form
    142,976.40/214,466.15 = 43,137.48/x
  3. Step 3: Cross multiply
    142,976.40x = 214,466.15 × 43,137.48
  4. Step 4: Simplify right side
    142,976.40x = 9,251,529,256.30
  5. Step 5: Solve for x
    x = 9,251,529,256.30/142,976.40
  6. Step 6: Final answer
    x = 64,706.69

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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.