Home / 209,727.15-289,437.09-124,832.67

Finding the Fourth Proportional to 209,727.15, 289,437.09 and 124,832.67

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Solution

The fourth proportional to 209,727.15, 289,437.09 and 124,832.67 is: 172,277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,727.15 : 289,437.09 = 124,832.67 : x
  2. Step 2: Convert to fraction form
    209,727.15/289,437.09 = 124,832.67/x
  3. Step 3: Cross multiply
    209,727.15x = 289,437.09 × 124,832.67
  4. Step 4: Simplify right side
    209,727.15x = 36,131,204,741.73
  5. Step 5: Solve for x
    x = 36,131,204,741.73/209,727.15
  6. Step 6: Final answer
    x = 172,277.19

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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.