Home / 209,667.22-289,337.90-119,022.39

Finding the Fourth Proportional to 209,667.22, 289,337.90 and 119,022.39

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Solution

The fourth proportional to 209,667.22, 289,337.90 and 119,022.39 is: 164,249.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,667.22 : 289,337.90 = 119,022.39 : x
  2. Step 2: Convert to fraction form
    209,667.22/289,337.90 = 119,022.39/x
  3. Step 3: Cross multiply
    209,667.22x = 289,337.90 × 119,022.39
  4. Step 4: Simplify right side
    209,667.22x = 34,437,688,375.58
  5. Step 5: Solve for x
    x = 34,437,688,375.58/209,667.22
  6. Step 6: Final answer
    x = 164,249.27

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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.