Home / 144,450.40-199,539.84-131,036.80

Finding the Fourth Proportional to 144,450.40, 199,539.84 and 131,036.80

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Solution

The fourth proportional to 144,450.40, 199,539.84 and 131,036.80 is: 181,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,450.40 : 199,539.84 = 131,036.80 : x
  2. Step 2: Convert to fraction form
    144,450.40/199,539.84 = 131,036.80/x
  3. Step 3: Cross multiply
    144,450.40x = 199,539.84 × 131,036.80
  4. Step 4: Simplify right side
    144,450.40x = 26,147,062,106.11
  5. Step 5: Solve for x
    x = 26,147,062,106.11/144,450.40
  6. Step 6: Final answer
    x = 181,010.66

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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.