Home / 209,313.32-288,843.57-118,675.38

Finding the Fourth Proportional to 209,313.32, 288,843.57 and 118,675.38

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Solution

The fourth proportional to 209,313.32, 288,843.57 and 118,675.38 is: 163,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,313.32 : 288,843.57 = 118,675.38 : x
  2. Step 2: Convert to fraction form
    209,313.32/288,843.57 = 118,675.38/x
  3. Step 3: Cross multiply
    209,313.32x = 288,843.57 × 118,675.38
  4. Step 4: Simplify right side
    209,313.32x = 34,278,619,888.72
  5. Step 5: Solve for x
    x = 34,278,619,888.72/209,313.32
  6. Step 6: Final answer
    x = 163,767.03

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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.