Home / 136,067.13-187,769.34-75,637.17

Finding the Fourth Proportional to 136,067.13, 187,769.34 and 75,637.17

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Solution

The fourth proportional to 136,067.13, 187,769.34 and 75,637.17 is: 104,377.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,067.13 : 187,769.34 = 75,637.17 : x
  2. Step 2: Convert to fraction form
    136,067.13/187,769.34 = 75,637.17/x
  3. Step 3: Cross multiply
    136,067.13x = 187,769.34 × 75,637.17
  4. Step 4: Simplify right side
    136,067.13x = 14,202,341,490.37
  5. Step 5: Solve for x
    x = 14,202,341,490.37/136,067.13
  6. Step 6: Final answer
    x = 104,377.46

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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.