Home / 209,344.32-288,888.97-118,708.56

Finding the Fourth Proportional to 209,344.32, 288,888.97 and 118,708.56

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Solution

The fourth proportional to 209,344.32, 288,888.97 and 118,708.56 is: 163,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,344.32 : 288,888.97 = 118,708.56 : x
  2. Step 2: Convert to fraction form
    209,344.32/288,888.97 = 118,708.56/x
  3. Step 3: Cross multiply
    209,344.32x = 288,888.97 × 118,708.56
  4. Step 4: Simplify right side
    209,344.32x = 34,293,593,628.58
  5. Step 5: Solve for x
    x = 34,293,593,628.58/209,344.32
  6. Step 6: Final answer
    x = 163,814.30

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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.