Home / 148,560.36-205,011.45-80,576.25

Finding the Fourth Proportional to 148,560.36, 205,011.45 and 80,576.25

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Solution

The fourth proportional to 148,560.36, 205,011.45 and 80,576.25 is: 111,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,560.36 : 205,011.45 = 80,576.25 : x
  2. Step 2: Convert to fraction form
    148,560.36/205,011.45 = 80,576.25/x
  3. Step 3: Cross multiply
    148,560.36x = 205,011.45 × 80,576.25
  4. Step 4: Simplify right side
    148,560.36x = 16,519,053,848.06
  5. Step 5: Solve for x
    x = 16,519,053,848.06/148,560.36
  6. Step 6: Final answer
    x = 111,194.22

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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.