Home / 209,313.37-288,843.66-118,675.44

Finding the Fourth Proportional to 209,313.37, 288,843.66 and 118,675.44

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Solution

The fourth proportional to 209,313.37, 288,843.66 and 118,675.44 is: 163,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,313.37 : 288,843.66 = 118,675.44 : x
  2. Step 2: Convert to fraction form
    209,313.37/288,843.66 = 118,675.44/x
  3. Step 3: Cross multiply
    209,313.37x = 288,843.66 × 118,675.44
  4. Step 4: Simplify right side
    209,313.37x = 34,278,648,441.71
  5. Step 5: Solve for x
    x = 34,278,648,441.71/209,313.37
  6. Step 6: Final answer
    x = 163,767.12

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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.