Home / 99,219.12-148,845.06-49,300.80

Finding the Fourth Proportional to 99,219.12, 148,845.06 and 49,300.80

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Solution

The fourth proportional to 99,219.12, 148,845.06 and 49,300.80 is: 73,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,219.12 : 148,845.06 = 49,300.80 : x
  2. Step 2: Convert to fraction form
    99,219.12/148,845.06 = 49,300.80/x
  3. Step 3: Cross multiply
    99,219.12x = 148,845.06 × 49,300.80
  4. Step 4: Simplify right side
    99,219.12x = 7,338,180,534.05
  5. Step 5: Solve for x
    x = 7,338,180,534.05/99,219.12
  6. Step 6: Final answer
    x = 73,959.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.