Home / 138,268.03-190,796.24-77,012.17

Finding the Fourth Proportional to 138,268.03, 190,796.24 and 77,012.17

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Solution

The fourth proportional to 138,268.03, 190,796.24 and 77,012.17 is: 106,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,268.03 : 190,796.24 = 77,012.17 : x
  2. Step 2: Convert to fraction form
    138,268.03/190,796.24 = 77,012.17/x
  3. Step 3: Cross multiply
    138,268.03x = 190,796.24 × 77,012.17
  4. Step 4: Simplify right side
    138,268.03x = 14,693,632,509.05
  5. Step 5: Solve for x
    x = 14,693,632,509.05/138,268.03
  6. Step 6: Final answer
    x = 106,269.20

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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.