Home / 208,849.76-288,212.93-113,356.47

Finding the Fourth Proportional to 208,849.76, 288,212.93 and 113,356.47

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Solution

The fourth proportional to 208,849.76, 288,212.93 and 113,356.47 is: 156,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,849.76 : 288,212.93 = 113,356.47 : x
  2. Step 2: Convert to fraction form
    208,849.76/288,212.93 = 113,356.47/x
  3. Step 3: Cross multiply
    208,849.76x = 288,212.93 × 113,356.47
  4. Step 4: Simplify right side
    208,849.76x = 32,670,799,786.37
  5. Step 5: Solve for x
    x = 32,670,799,786.37/208,849.76
  6. Step 6: Final answer
    x = 156,432.07

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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.