Home / 150,804.03-208,112.01-81,893.49

Finding the Fourth Proportional to 150,804.03, 208,112.01 and 81,893.49

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Solution

The fourth proportional to 150,804.03, 208,112.01 and 81,893.49 is: 113,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,804.03 : 208,112.01 = 81,893.49 : x
  2. Step 2: Convert to fraction form
    150,804.03/208,112.01 = 81,893.49/x
  3. Step 3: Cross multiply
    150,804.03x = 208,112.01 × 81,893.49
  4. Step 4: Simplify right side
    150,804.03x = 17,043,018,809.81
  5. Step 5: Solve for x
    x = 17,043,018,809.81/150,804.03
  6. Step 6: Final answer
    x = 113,014.35

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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.