Home / 209,075.47-288,524.49-113,582.25

Finding the Fourth Proportional to 209,075.47, 288,524.49 and 113,582.25

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Solution

The fourth proportional to 209,075.47, 288,524.49 and 113,582.25 is: 156,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,075.47 : 288,524.49 = 113,582.25 : x
  2. Step 2: Convert to fraction form
    209,075.47/288,524.49 = 113,582.25/x
  3. Step 3: Cross multiply
    209,075.47x = 288,524.49 × 113,582.25
  4. Step 4: Simplify right side
    209,075.47x = 32,771,260,754.30
  5. Step 5: Solve for x
    x = 32,771,260,754.30/209,075.47
  6. Step 6: Final answer
    x = 156,743.69

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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.