Home / 221,849.58-306,215.22-131,237.04

Finding the Fourth Proportional to 221,849.58, 306,215.22 and 131,237.04

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Solution

The fourth proportional to 221,849.58, 306,215.22 and 131,237.04 is: 181,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,849.58 : 306,215.22 = 131,237.04 : x
  2. Step 2: Convert to fraction form
    221,849.58/306,215.22 = 131,237.04/x
  3. Step 3: Cross multiply
    221,849.58x = 306,215.22 × 131,237.04
  4. Step 4: Simplify right side
    221,849.58x = 40,186,779,075.75
  5. Step 5: Solve for x
    x = 40,186,779,075.75/221,849.58
  6. Step 6: Final answer
    x = 181,144.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.