Home / 146,015.37-201,501.93-81,487.50

Finding the Fourth Proportional to 146,015.37, 201,501.93 and 81,487.50

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Solution

The fourth proportional to 146,015.37, 201,501.93 and 81,487.50 is: 112,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,015.37 : 201,501.93 = 81,487.50 : x
  2. Step 2: Convert to fraction form
    146,015.37/201,501.93 = 81,487.50/x
  3. Step 3: Cross multiply
    146,015.37x = 201,501.93 × 81,487.50
  4. Step 4: Simplify right side
    146,015.37x = 16,419,888,520.88
  5. Step 5: Solve for x
    x = 16,419,888,520.88/146,015.37
  6. Step 6: Final answer
    x = 112,453.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.