Home / 209,757.42-289,458.02-119,111.74

Finding the Fourth Proportional to 209,757.42, 289,458.02 and 119,111.74

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Solution

The fourth proportional to 209,757.42, 289,458.02 and 119,111.74 is: 164,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,757.42 : 289,458.02 = 119,111.74 : x
  2. Step 2: Convert to fraction form
    209,757.42/289,458.02 = 119,111.74/x
  3. Step 3: Cross multiply
    209,757.42x = 289,458.02 × 119,111.74
  4. Step 4: Simplify right side
    209,757.42x = 34,477,848,419.15
  5. Step 5: Solve for x
    x = 34,477,848,419.15/209,757.42
  6. Step 6: Final answer
    x = 164,370.10

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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.