Home / 281,559.18-422,477.56-131,809.62

Finding the Fourth Proportional to 281,559.18, 422,477.56 and 131,809.62

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Solution

The fourth proportional to 281,559.18, 422,477.56 and 131,809.62 is: 197,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,559.18 : 422,477.56 = 131,809.62 : x
  2. Step 2: Convert to fraction form
    281,559.18/422,477.56 = 131,809.62/x
  3. Step 3: Cross multiply
    281,559.18x = 422,477.56 × 131,809.62
  4. Step 4: Simplify right side
    281,559.18x = 55,686,606,642.13
  5. Step 5: Solve for x
    x = 55,686,606,642.13/281,559.18
  6. Step 6: Final answer
    x = 197,779.40

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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.