Home / 208,735.66-288,055.31-113,242.33

Finding the Fourth Proportional to 208,735.66, 288,055.31 and 113,242.33

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Solution

The fourth proportional to 208,735.66, 288,055.31 and 113,242.33 is: 156,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,735.66 : 288,055.31 = 113,242.33 : x
  2. Step 2: Convert to fraction form
    208,735.66/288,055.31 = 113,242.33/x
  3. Step 3: Cross multiply
    208,735.66x = 288,055.31 × 113,242.33
  4. Step 4: Simplify right side
    208,735.66x = 32,620,054,036.24
  5. Step 5: Solve for x
    x = 32,620,054,036.24/208,735.66
  6. Step 6: Final answer
    x = 156,274.47

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1.5x scale

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.