Home / 158,739.40-238,110.42-40,410.76

Finding the Fourth Proportional to 158,739.40, 238,110.42 and 40,410.76

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Solution

The fourth proportional to 158,739.40, 238,110.42 and 40,410.76 is: 60,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,739.40 : 238,110.42 = 40,410.76 : x
  2. Step 2: Convert to fraction form
    158,739.40/238,110.42 = 40,410.76/x
  3. Step 3: Cross multiply
    158,739.40x = 238,110.42 × 40,410.76
  4. Step 4: Simplify right side
    158,739.40x = 9,622,223,036.12
  5. Step 5: Solve for x
    x = 9,622,223,036.12/158,739.40
  6. Step 6: Final answer
    x = 60,616.48

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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.