Home / 202,106.23-278,902.91-111,470.60

Finding the Fourth Proportional to 202,106.23, 278,902.91 and 111,470.60

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Solution

The fourth proportional to 202,106.23, 278,902.91 and 111,470.60 is: 153,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,106.23 : 278,902.91 = 111,470.60 : x
  2. Step 2: Convert to fraction form
    202,106.23/278,902.91 = 111,470.60/x
  3. Step 3: Cross multiply
    202,106.23x = 278,902.91 × 111,470.60
  4. Step 4: Simplify right side
    202,106.23x = 31,089,475,695.38
  5. Step 5: Solve for x
    x = 31,089,475,695.38/202,106.23
  6. Step 6: Final answer
    x = 153,827.40

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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.