Home / 201,485.38-278,041.06-110,835.60

Finding the Fourth Proportional to 201,485.38, 278,041.06 and 110,835.60

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Solution

The fourth proportional to 201,485.38, 278,041.06 and 110,835.60 is: 152,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,485.38 : 278,041.06 = 110,835.60 : x
  2. Step 2: Convert to fraction form
    201,485.38/278,041.06 = 110,835.60/x
  3. Step 3: Cross multiply
    201,485.38x = 278,041.06 × 110,835.60
  4. Step 4: Simplify right side
    201,485.38x = 30,816,847,848.28
  5. Step 5: Solve for x
    x = 30,816,847,848.28/201,485.38
  6. Step 6: Final answer
    x = 152,948.31

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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.