Home / 208,938.56-288,330.96-118,311.68

Finding the Fourth Proportional to 208,938.56, 288,330.96 and 118,311.68

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Solution

The fourth proportional to 208,938.56, 288,330.96 and 118,311.68 is: 163,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,938.56 : 288,330.96 = 118,311.68 : x
  2. Step 2: Convert to fraction form
    208,938.56/288,330.96 = 118,311.68/x
  3. Step 3: Cross multiply
    208,938.56x = 288,330.96 × 118,311.68
  4. Step 4: Simplify right side
    208,938.56x = 34,112,920,273.61
  5. Step 5: Solve for x
    x = 34,112,920,273.61/208,938.56
  6. Step 6: Final answer
    x = 163,267.71

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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.