Home / 130,234.94-179,667.21-76,495.75

Finding the Fourth Proportional to 130,234.94, 179,667.21 and 76,495.75

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Solution

The fourth proportional to 130,234.94, 179,667.21 and 76,495.75 is: 105,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,234.94 : 179,667.21 = 76,495.75 : x
  2. Step 2: Convert to fraction form
    130,234.94/179,667.21 = 76,495.75/x
  3. Step 3: Cross multiply
    130,234.94x = 179,667.21 × 76,495.75
  4. Step 4: Simplify right side
    130,234.94x = 13,743,777,979.36
  5. Step 5: Solve for x
    x = 13,743,777,979.36/130,234.94
  6. Step 6: Final answer
    x = 105,530.65

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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.