Home / 148,945.23-205,544.02-80,962.20

Finding the Fourth Proportional to 148,945.23, 205,544.02 and 80,962.20

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Solution

The fourth proportional to 148,945.23, 205,544.02 and 80,962.20 is: 111,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,945.23 : 205,544.02 = 80,962.20 : x
  2. Step 2: Convert to fraction form
    148,945.23/205,544.02 = 80,962.20/x
  3. Step 3: Cross multiply
    148,945.23x = 205,544.02 × 80,962.20
  4. Step 4: Simplify right side
    148,945.23x = 16,641,296,056.04
  5. Step 5: Solve for x
    x = 16,641,296,056.04/148,945.23
  6. Step 6: Final answer
    x = 111,727.62

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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.