Home / 236,678.19-355,067.17-76,741.66

Finding the Fourth Proportional to 236,678.19, 355,067.17 and 76,741.66

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Solution

The fourth proportional to 236,678.19, 355,067.17 and 76,741.66 is: 115,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,678.19 : 355,067.17 = 76,741.66 : x
  2. Step 2: Convert to fraction form
    236,678.19/355,067.17 = 76,741.66/x
  3. Step 3: Cross multiply
    236,678.19x = 355,067.17 × 76,741.66
  4. Step 4: Simplify right side
    236,678.19x = 27,248,444,577.06
  5. Step 5: Solve for x
    x = 27,248,444,577.06/236,678.19
  6. Step 6: Final answer
    x = 115,128.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.