Home / 147,855.40-221,783.10-131,525.80

Finding the Fourth Proportional to 147,855.40, 221,783.10 and 131,525.80

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Solution

The fourth proportional to 147,855.40, 221,783.10 and 131,525.80 is: 197,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,855.40 : 221,783.10 = 131,525.80 : x
  2. Step 2: Convert to fraction form
    147,855.40/221,783.10 = 131,525.80/x
  3. Step 3: Cross multiply
    147,855.40x = 221,783.10 × 131,525.80
  4. Step 4: Simplify right side
    147,855.40x = 29,170,199,653.98
  5. Step 5: Solve for x
    x = 29,170,199,653.98/147,855.40
  6. Step 6: Final answer
    x = 197,288.70

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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.