Home / 209,461.95-289,052.82-113,968.89

Finding the Fourth Proportional to 209,461.95, 289,052.82 and 113,968.89

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Solution

The fourth proportional to 209,461.95, 289,052.82 and 113,968.89 is: 157,274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,461.95 : 289,052.82 = 113,968.89 : x
  2. Step 2: Convert to fraction form
    209,461.95/289,052.82 = 113,968.89/x
  3. Step 3: Cross multiply
    209,461.95x = 289,052.82 × 113,968.89
  4. Step 4: Simplify right side
    209,461.95x = 32,943,029,046.77
  5. Step 5: Solve for x
    x = 32,943,029,046.77/209,461.95
  6. Step 6: Final answer
    x = 157,274.53

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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.