Home / 209,426.76-289,012.38-113,933.52

Finding the Fourth Proportional to 209,426.76, 289,012.38 and 113,933.52

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Solution

The fourth proportional to 209,426.76, 289,012.38 and 113,933.52 is: 157,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,426.76 : 289,012.38 = 113,933.52 : x
  2. Step 2: Convert to fraction form
    209,426.76/289,012.38 = 113,933.52/x
  3. Step 3: Cross multiply
    209,426.76x = 289,012.38 × 113,933.52
  4. Step 4: Simplify right side
    209,426.76x = 32,928,197,776.98
  5. Step 5: Solve for x
    x = 32,928,197,776.98/209,426.76
  6. Step 6: Final answer
    x = 157,230.14

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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.