Home / 208,836.57-288,187.16-113,341.35

Finding the Fourth Proportional to 208,836.57, 288,187.16 and 113,341.35

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Solution

The fourth proportional to 208,836.57, 288,187.16 and 113,341.35 is: 156,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,836.57 : 288,187.16 = 113,341.35 : x
  2. Step 2: Convert to fraction form
    208,836.57/288,187.16 = 113,341.35/x
  3. Step 3: Cross multiply
    208,836.57x = 288,187.16 × 113,341.35
  4. Step 4: Simplify right side
    208,836.57x = 32,663,521,200.36
  5. Step 5: Solve for x
    x = 32,663,521,200.36/208,836.57
  6. Step 6: Final answer
    x = 156,407.09

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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.