Home / 99,400.90-149,050.26-29,271.10

Finding the Fourth Proportional to 99,400.90, 149,050.26 and 29,271.10

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Solution

The fourth proportional to 99,400.90, 149,050.26 and 29,271.10 is: 43,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,400.90 : 149,050.26 = 29,271.10 : x
  2. Step 2: Convert to fraction form
    99,400.90/149,050.26 = 29,271.10/x
  3. Step 3: Cross multiply
    99,400.90x = 149,050.26 × 29,271.10
  4. Step 4: Simplify right side
    99,400.90x = 4,362,865,065.49
  5. Step 5: Solve for x
    x = 4,362,865,065.49/99,400.90
  6. Step 6: Final answer
    x = 43,891.61

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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.