Home / 236,716.57-326,675.94-129,291.67

Finding the Fourth Proportional to 236,716.57, 326,675.94 and 129,291.67

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Solution

The fourth proportional to 236,716.57, 326,675.94 and 129,291.67 is: 178,426.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,716.57 : 326,675.94 = 129,291.67 : x
  2. Step 2: Convert to fraction form
    236,716.57/326,675.94 = 129,291.67/x
  3. Step 3: Cross multiply
    236,716.57x = 326,675.94 × 129,291.67
  4. Step 4: Simplify right side
    236,716.57x = 42,236,477,831.42
  5. Step 5: Solve for x
    x = 42,236,477,831.42/236,716.57
  6. Step 6: Final answer
    x = 178,426.37

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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.