Home / 202,012.05-278,774.73-110,131.32

Finding the Fourth Proportional to 202,012.05, 278,774.73 and 110,131.32

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Solution

The fourth proportional to 202,012.05, 278,774.73 and 110,131.32 is: 151,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,012.05 : 278,774.73 = 110,131.32 : x
  2. Step 2: Convert to fraction form
    202,012.05/278,774.73 = 110,131.32/x
  3. Step 3: Cross multiply
    202,012.05x = 278,774.73 × 110,131.32
  4. Step 4: Simplify right side
    202,012.05x = 30,701,828,997.54
  5. Step 5: Solve for x
    x = 30,701,828,997.54/202,012.05
  6. Step 6: Final answer
    x = 151,980.19

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1.5x scale

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.