Home / 130,215.30-179,696.25-73,626.90

Finding the Fourth Proportional to 130,215.30, 179,696.25 and 73,626.90

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Solution

The fourth proportional to 130,215.30, 179,696.25 and 73,626.90 is: 101,604.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,215.30 : 179,696.25 = 73,626.90 : x
  2. Step 2: Convert to fraction form
    130,215.30/179,696.25 = 73,626.90/x
  3. Step 3: Cross multiply
    130,215.30x = 179,696.25 × 73,626.90
  4. Step 4: Simplify right side
    130,215.30x = 13,230,477,829.13
  5. Step 5: Solve for x
    x = 13,230,477,829.13/130,215.30
  6. Step 6: Final answer
    x = 101,604.63

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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.