Home / 144,915.75-199,945.87-83,646.95

Finding the Fourth Proportional to 144,915.75, 199,945.87 and 83,646.95

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Solution

The fourth proportional to 144,915.75, 199,945.87 and 83,646.95 is: 115,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,915.75 : 199,945.87 = 83,646.95 : x
  2. Step 2: Convert to fraction form
    144,915.75/199,945.87 = 83,646.95/x
  3. Step 3: Cross multiply
    144,915.75x = 199,945.87 × 83,646.95
  4. Step 4: Simplify right side
    144,915.75x = 16,724,860,981.75
  5. Step 5: Solve for x
    x = 16,724,860,981.75/144,915.75
  6. Step 6: Final answer
    x = 115,410.93

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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.