Home / 148,767.95-205,299.02-80,784.32

Finding the Fourth Proportional to 148,767.95, 205,299.02 and 80,784.32

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Solution

The fourth proportional to 148,767.95, 205,299.02 and 80,784.32 is: 111,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,767.95 : 205,299.02 = 80,784.32 : x
  2. Step 2: Convert to fraction form
    148,767.95/205,299.02 = 80,784.32/x
  3. Step 3: Cross multiply
    148,767.95x = 205,299.02 × 80,784.32
  4. Step 4: Simplify right side
    148,767.95x = 16,584,940,902.83
  5. Step 5: Solve for x
    x = 16,584,940,902.83/148,767.95
  6. Step 6: Final answer
    x = 111,481.95

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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.