Home / 129,309.06-178,558.62-95,376.36

Finding the Fourth Proportional to 129,309.06, 178,558.62 and 95,376.36

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Solution

The fourth proportional to 129,309.06, 178,558.62 and 95,376.36 is: 131,702.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,309.06 : 178,558.62 = 95,376.36 : x
  2. Step 2: Convert to fraction form
    129,309.06/178,558.62 = 95,376.36/x
  3. Step 3: Cross multiply
    129,309.06x = 178,558.62 × 95,376.36
  4. Step 4: Simplify right side
    129,309.06x = 17,030,271,222.22
  5. Step 5: Solve for x
    x = 17,030,271,222.22/129,309.06
  6. Step 6: Final answer
    x = 131,702.07

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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.