Home / 130,449.06-195,667.23-76,443.84

Finding the Fourth Proportional to 130,449.06, 195,667.23 and 76,443.84

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Solution

The fourth proportional to 130,449.06, 195,667.23 and 76,443.84 is: 114,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,449.06 : 195,667.23 = 76,443.84 : x
  2. Step 2: Convert to fraction form
    130,449.06/195,667.23 = 76,443.84/x
  3. Step 3: Cross multiply
    130,449.06x = 195,667.23 × 76,443.84
  4. Step 4: Simplify right side
    130,449.06x = 14,957,554,423.36
  5. Step 5: Solve for x
    x = 14,957,554,423.36/130,449.06
  6. Step 6: Final answer
    x = 114,662.03

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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.