Home / 129,952.65-179,336.16-76,238.58

Finding the Fourth Proportional to 129,952.65, 179,336.16 and 76,238.58

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Solution

The fourth proportional to 129,952.65, 179,336.16 and 76,238.58 is: 105,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,952.65 : 179,336.16 = 76,238.58 : x
  2. Step 2: Convert to fraction form
    129,952.65/179,336.16 = 76,238.58/x
  3. Step 3: Cross multiply
    129,952.65x = 179,336.16 × 76,238.58
  4. Step 4: Simplify right side
    129,952.65x = 13,672,334,181.05
  5. Step 5: Solve for x
    x = 13,672,334,181.05/129,952.65
  6. Step 6: Final answer
    x = 105,210.12

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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.