Home / 158,010.80-236,632.20-83,975.60

Finding the Fourth Proportional to 158,010.80, 236,632.20 and 83,975.60

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Solution

The fourth proportional to 158,010.80, 236,632.20 and 83,975.60 is: 125,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,010.80 : 236,632.20 = 83,975.60 : x
  2. Step 2: Convert to fraction form
    158,010.80/236,632.20 = 83,975.60/x
  3. Step 3: Cross multiply
    158,010.80x = 236,632.20 × 83,975.60
  4. Step 4: Simplify right side
    158,010.80x = 19,871,330,974.32
  5. Step 5: Solve for x
    x = 19,871,330,974.32/158,010.80
  6. Step 6: Final answer
    x = 125,759.32

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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.