Home / 236,760.95-326,717.92-129,310.22

Finding the Fourth Proportional to 236,760.95, 326,717.92 and 129,310.22

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Solution

The fourth proportional to 236,760.95, 326,717.92 and 129,310.22 is: 178,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,760.95 : 326,717.92 = 129,310.22 : x
  2. Step 2: Convert to fraction form
    236,760.95/326,717.92 = 129,310.22/x
  3. Step 3: Cross multiply
    236,760.95x = 326,717.92 × 129,310.22
  4. Step 4: Simplify right side
    236,760.95x = 42,247,967,091.58
  5. Step 5: Solve for x
    x = 42,247,967,091.58/236,760.95
  6. Step 6: Final answer
    x = 178,441.45

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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.