Home / 136,486.28-188,326.14-76,055.42

Finding the Fourth Proportional to 136,486.28, 188,326.14 and 76,055.42

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Solution

The fourth proportional to 136,486.28, 188,326.14 and 76,055.42 is: 104,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,486.28 : 188,326.14 = 76,055.42 : x
  2. Step 2: Convert to fraction form
    136,486.28/188,326.14 = 76,055.42/x
  3. Step 3: Cross multiply
    136,486.28x = 188,326.14 × 76,055.42
  4. Step 4: Simplify right side
    136,486.28x = 14,323,223,674.68
  5. Step 5: Solve for x
    x = 14,323,223,674.68/136,486.28
  6. Step 6: Final answer
    x = 104,942.59

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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.