Home / 208,913.24-288,295.80-113,419.10

Finding the Fourth Proportional to 208,913.24, 288,295.80 and 113,419.10

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Solution

The fourth proportional to 208,913.24, 288,295.80 and 113,419.10 is: 156,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,913.24 : 288,295.80 = 113,419.10 : x
  2. Step 2: Convert to fraction form
    208,913.24/288,295.80 = 113,419.10/x
  3. Step 3: Cross multiply
    208,913.24x = 288,295.80 × 113,419.10
  4. Step 4: Simplify right side
    208,913.24x = 32,698,250,169.78
  5. Step 5: Solve for x
    x = 32,698,250,169.78/208,913.24
  6. Step 6: Final answer
    x = 156,515.93

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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.