Home / 135,995.32-203,556.42-72,657.16

Finding the Fourth Proportional to 135,995.32, 203,556.42 and 72,657.16

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Solution

The fourth proportional to 135,995.32, 203,556.42 and 72,657.16 is: 108,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,995.32 : 203,556.42 = 72,657.16 : x
  2. Step 2: Convert to fraction form
    135,995.32/203,556.42 = 72,657.16/x
  3. Step 3: Cross multiply
    135,995.32x = 203,556.42 × 72,657.16
  4. Step 4: Simplify right side
    135,995.32x = 14,789,831,376.97
  5. Step 5: Solve for x
    x = 14,789,831,376.97/135,995.32
  6. Step 6: Final answer
    x = 108,752.50

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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.