Home / 210,228.03-315,392.27-68,073.46

Finding the Fourth Proportional to 210,228.03, 315,392.27 and 68,073.46

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Solution

The fourth proportional to 210,228.03, 315,392.27 and 68,073.46 is: 102,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,228.03 : 315,392.27 = 68,073.46 : x
  2. Step 2: Convert to fraction form
    210,228.03/315,392.27 = 68,073.46/x
  3. Step 3: Cross multiply
    210,228.03x = 315,392.27 × 68,073.46
  4. Step 4: Simplify right side
    210,228.03x = 21,469,843,076.15
  5. Step 5: Solve for x
    x = 21,469,843,076.15/210,228.03
  6. Step 6: Final answer
    x = 102,126.45

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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.