Home / 142,976.45-214,325.18-68,076.47

Finding the Fourth Proportional to 142,976.45, 214,325.18 and 68,076.47

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Solution

The fourth proportional to 142,976.45, 214,325.18 and 68,076.47 is: 102,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,976.45 : 214,325.18 = 68,076.47 : x
  2. Step 2: Convert to fraction form
    142,976.45/214,325.18 = 68,076.47/x
  3. Step 3: Cross multiply
    142,976.45x = 214,325.18 × 68,076.47
  4. Step 4: Simplify right side
    142,976.45x = 14,590,500,785.08
  5. Step 5: Solve for x
    x = 14,590,500,785.08/142,976.45
  6. Step 6: Final answer
    x = 102,048.28

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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.