Home / 209,329.32-288,882.04-119,922.60

Finding the Fourth Proportional to 209,329.32, 288,882.04 and 119,922.60

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Solution

The fourth proportional to 209,329.32, 288,882.04 and 119,922.60 is: 165,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,329.32 : 288,882.04 = 119,922.60 : x
  2. Step 2: Convert to fraction form
    209,329.32/288,882.04 = 119,922.60/x
  3. Step 3: Cross multiply
    209,329.32x = 288,882.04 × 119,922.60
  4. Step 4: Simplify right side
    209,329.32x = 34,643,485,330.10
  5. Step 5: Solve for x
    x = 34,643,485,330.10/209,329.32
  6. Step 6: Final answer
    x = 165,497.53

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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.