Home / 208,698.42-288,004.32-113,205.12

Finding the Fourth Proportional to 208,698.42, 288,004.32 and 113,205.12

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Solution

The fourth proportional to 208,698.42, 288,004.32 and 113,205.12 is: 156,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,698.42 : 288,004.32 = 113,205.12 : x
  2. Step 2: Convert to fraction form
    208,698.42/288,004.32 = 113,205.12/x
  3. Step 3: Cross multiply
    208,698.42x = 288,004.32 × 113,205.12
  4. Step 4: Simplify right side
    208,698.42x = 32,603,563,606.12
  5. Step 5: Solve for x
    x = 32,603,563,606.12/208,698.42
  6. Step 6: Final answer
    x = 156,223.34

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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.