Home / 152,847.40-229,271.10-99,704.20

Finding the Fourth Proportional to 152,847.40, 229,271.10 and 99,704.20

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Solution

The fourth proportional to 152,847.40, 229,271.10 and 99,704.20 is: 149,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,847.40 : 229,271.10 = 99,704.20 : x
  2. Step 2: Convert to fraction form
    152,847.40/229,271.10 = 99,704.20/x
  3. Step 3: Cross multiply
    152,847.40x = 229,271.10 × 99,704.20
  4. Step 4: Simplify right side
    152,847.40x = 22,859,291,608.62
  5. Step 5: Solve for x
    x = 22,859,291,608.62/152,847.40
  6. Step 6: Final answer
    x = 149,556.30

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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.