Home / 208,922.48-288,317.88-124,039.76

Finding the Fourth Proportional to 208,922.48, 288,317.88 and 124,039.76

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Solution

The fourth proportional to 208,922.48, 288,317.88 and 124,039.76 is: 171,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,922.48 : 288,317.88 = 124,039.76 : x
  2. Step 2: Convert to fraction form
    208,922.48/288,317.88 = 124,039.76/x
  3. Step 3: Cross multiply
    208,922.48x = 288,317.88 × 124,039.76
  4. Step 4: Simplify right side
    208,922.48x = 35,762,880,638.91
  5. Step 5: Solve for x
    x = 35,762,880,638.91/208,922.48
  6. Step 6: Final answer
    x = 171,177.75

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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.