Home / 158,739.46-238,114.68-79,810.66

Finding the Fourth Proportional to 158,739.46, 238,114.68 and 79,810.66

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Solution

The fourth proportional to 158,739.46, 238,114.68 and 79,810.66 is: 119,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,739.46 : 238,114.68 = 79,810.66 : x
  2. Step 2: Convert to fraction form
    158,739.46/238,114.68 = 79,810.66/x
  3. Step 3: Cross multiply
    158,739.46x = 238,114.68 × 79,810.66
  4. Step 4: Simplify right side
    158,739.46x = 19,004,089,766.49
  5. Step 5: Solve for x
    x = 19,004,089,766.49/158,739.46
  6. Step 6: Final answer
    x = 119,718.75

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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.