Home / 148,560.04-205,011.66-80,576.38

Finding the Fourth Proportional to 148,560.04, 205,011.66 and 80,576.38

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Solution

The fourth proportional to 148,560.04, 205,011.66 and 80,576.38 is: 111,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,560.04 : 205,011.66 = 80,576.38 : x
  2. Step 2: Convert to fraction form
    148,560.04/205,011.66 = 80,576.38/x
  3. Step 3: Cross multiply
    148,560.04x = 205,011.66 × 80,576.38
  4. Step 4: Simplify right side
    148,560.04x = 16,519,097,420.59
  5. Step 5: Solve for x
    x = 16,519,097,420.59/148,560.04
  6. Step 6: Final answer
    x = 111,194.76

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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.