Home / 208,857.42-288,223.79-113,364.09

Finding the Fourth Proportional to 208,857.42, 288,223.79 and 113,364.09

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Solution

The fourth proportional to 208,857.42, 288,223.79 and 113,364.09 is: 156,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,857.42 : 288,223.79 = 113,364.09 : x
  2. Step 2: Convert to fraction form
    208,857.42/288,223.79 = 113,364.09/x
  3. Step 3: Cross multiply
    208,857.42x = 288,223.79 × 113,364.09
  4. Step 4: Simplify right side
    208,857.42x = 32,674,227,102.88
  5. Step 5: Solve for x
    x = 32,674,227,102.88/208,857.42
  6. Step 6: Final answer
    x = 156,442.74

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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.