Home / 136,426.88-188,274.77-75,997.51

Finding the Fourth Proportional to 136,426.88, 188,274.77 and 75,997.51

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Solution

The fourth proportional to 136,426.88, 188,274.77 and 75,997.51 is: 104,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,426.88 : 188,274.77 = 75,997.51 : x
  2. Step 2: Convert to fraction form
    136,426.88/188,274.77 = 75,997.51/x
  3. Step 3: Cross multiply
    136,426.88x = 188,274.77 × 75,997.51
  4. Step 4: Simplify right side
    136,426.88x = 14,308,412,394.46
  5. Step 5: Solve for x
    x = 14,308,412,394.46/136,426.88
  6. Step 6: Final answer
    x = 104,879.72

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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.