Home / 209,799.84-289,633.26-163,760.63

Finding the Fourth Proportional to 209,799.84, 289,633.26 and 163,760.63

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Solution

The fourth proportional to 209,799.84, 289,633.26 and 163,760.63 is: 226,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,799.84 : 289,633.26 = 163,760.63 : x
  2. Step 2: Convert to fraction form
    209,799.84/289,633.26 = 163,760.63/x
  3. Step 3: Cross multiply
    209,799.84x = 289,633.26 × 163,760.63
  4. Step 4: Simplify right side
    209,799.84x = 47,430,523,678.39
  5. Step 5: Solve for x
    x = 47,430,523,678.39/209,799.84
  6. Step 6: Final answer
    x = 226,075.12

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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.