Home / 236,908.24-326,933.95-129,479.56

Finding the Fourth Proportional to 236,908.24, 326,933.95 and 129,479.56

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Solution

The fourth proportional to 236,908.24, 326,933.95 and 129,479.56 is: 178,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,908.24 : 326,933.95 = 129,479.56 : x
  2. Step 2: Convert to fraction form
    236,908.24/326,933.95 = 129,479.56/x
  3. Step 3: Cross multiply
    236,908.24x = 326,933.95 × 129,479.56
  4. Step 4: Simplify right side
    236,908.24x = 42,331,263,995.06
  5. Step 5: Solve for x
    x = 42,331,263,995.06/236,908.24
  6. Step 6: Final answer
    x = 178,682.11

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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.