Home / 99,170.10-148,840.20-40,048.20

Finding the Fourth Proportional to 99,170.10, 148,840.20 and 40,048.20

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Solution

The fourth proportional to 99,170.10, 148,840.20 and 40,048.20 is: 60,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,170.10 : 148,840.20 = 40,048.20 : x
  2. Step 2: Convert to fraction form
    99,170.10/148,840.20 = 40,048.20/x
  3. Step 3: Cross multiply
    99,170.10x = 148,840.20 × 40,048.20
  4. Step 4: Simplify right side
    99,170.10x = 5,960,782,097.64
  5. Step 5: Solve for x
    x = 5,960,782,097.64/99,170.10
  6. Step 6: Final answer
    x = 60,106.65

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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.