Home / 129,748.94-179,055.90-76,049.18

Finding the Fourth Proportional to 129,748.94, 179,055.90 and 76,049.18

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Solution

The fourth proportional to 129,748.94, 179,055.90 and 76,049.18 is: 104,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,748.94 : 179,055.90 = 76,049.18 : x
  2. Step 2: Convert to fraction form
    129,748.94/179,055.90 = 76,049.18/x
  3. Step 3: Cross multiply
    129,748.94x = 179,055.90 × 76,049.18
  4. Step 4: Simplify right side
    129,748.94x = 13,617,054,369.16
  5. Step 5: Solve for x
    x = 13,617,054,369.16/129,748.94
  6. Step 6: Final answer
    x = 104,949.25

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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.