Home / 236,471.60-326,337.75-129,048.57

Finding the Fourth Proportional to 236,471.60, 326,337.75 and 129,048.57

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Solution

The fourth proportional to 236,471.60, 326,337.75 and 129,048.57 is: 178,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,471.60 : 326,337.75 = 129,048.57 : x
  2. Step 2: Convert to fraction form
    236,471.60/326,337.75 = 129,048.57/x
  3. Step 3: Cross multiply
    236,471.60x = 326,337.75 × 129,048.57
  4. Step 4: Simplify right side
    236,471.60x = 42,113,419,329.27
  5. Step 5: Solve for x
    x = 42,113,419,329.27/236,471.60
  6. Step 6: Final answer
    x = 178,090.81

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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.