Home / 148,273.89-204,617.04-80,289.45

Finding the Fourth Proportional to 148,273.89, 204,617.04 and 80,289.45

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Solution

The fourth proportional to 148,273.89, 204,617.04 and 80,289.45 is: 110,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,273.89 : 204,617.04 = 80,289.45 : x
  2. Step 2: Convert to fraction form
    148,273.89/204,617.04 = 80,289.45/x
  3. Step 3: Cross multiply
    148,273.89x = 204,617.04 × 80,289.45
  4. Step 4: Simplify right side
    148,273.89x = 16,428,589,602.23
  5. Step 5: Solve for x
    x = 16,428,589,602.23/148,273.89
  6. Step 6: Final answer
    x = 110,798.94

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1.5x scale

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.