Home / 148,962.80-205,572.67-80,984.39

Finding the Fourth Proportional to 148,962.80, 205,572.67 and 80,984.39

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Solution

The fourth proportional to 148,962.80, 205,572.67 and 80,984.39 is: 111,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,962.80 : 205,572.67 = 80,984.39 : x
  2. Step 2: Convert to fraction form
    148,962.80/205,572.67 = 80,984.39/x
  3. Step 3: Cross multiply
    148,962.80x = 205,572.67 × 80,984.39
  4. Step 4: Simplify right side
    148,962.80x = 16,648,176,050.30
  5. Step 5: Solve for x
    x = 16,648,176,050.30/148,962.80
  6. Step 6: Final answer
    x = 111,760.63

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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.