Home / 209,266.76-288,790.18-113,775.52

Finding the Fourth Proportional to 209,266.76, 288,790.18 and 113,775.52

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Solution

The fourth proportional to 209,266.76, 288,790.18 and 113,775.52 is: 157,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,266.76 : 288,790.18 = 113,775.52 : x
  2. Step 2: Convert to fraction form
    209,266.76/288,790.18 = 113,775.52/x
  3. Step 3: Cross multiply
    209,266.76x = 288,790.18 × 113,775.52
  4. Step 4: Simplify right side
    209,266.76x = 32,857,252,900.39
  5. Step 5: Solve for x
    x = 32,857,252,900.39/209,266.76
  6. Step 6: Final answer
    x = 157,011.33

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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.