Home / 139,659.06-192,727.89-75,995.76

Finding the Fourth Proportional to 139,659.06, 192,727.89 and 75,995.76

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Solution

The fourth proportional to 139,659.06, 192,727.89 and 75,995.76 is: 104,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,659.06 : 192,727.89 = 75,995.76 : x
  2. Step 2: Convert to fraction form
    139,659.06/192,727.89 = 75,995.76/x
  3. Step 3: Cross multiply
    139,659.06x = 192,727.89 × 75,995.76
  4. Step 4: Simplify right side
    139,659.06x = 14,646,502,473.75
  5. Step 5: Solve for x
    x = 14,646,502,473.75/139,659.06
  6. Step 6: Final answer
    x = 104,873.27

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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.