Home / 130,226.40-194,821.20-112,888.80

Finding the Fourth Proportional to 130,226.40, 194,821.20 and 112,888.80

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Solution

The fourth proportional to 130,226.40, 194,821.20 and 112,888.80 is: 168,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,226.40 : 194,821.20 = 112,888.80 : x
  2. Step 2: Convert to fraction form
    130,226.40/194,821.20 = 112,888.80/x
  3. Step 3: Cross multiply
    130,226.40x = 194,821.20 × 112,888.80
  4. Step 4: Simplify right side
    130,226.40x = 21,993,131,482.56
  5. Step 5: Solve for x
    x = 21,993,131,482.56/130,226.40
  6. Step 6: Final answer
    x = 168,883.82

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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.