Home / 236,910.32-326,935.48-129,480.32

Finding the Fourth Proportional to 236,910.32, 326,935.48 and 129,480.32

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Solution

The fourth proportional to 236,910.32, 326,935.48 and 129,480.32 is: 178,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,910.32 : 326,935.48 = 129,480.32 : x
  2. Step 2: Convert to fraction form
    236,910.32/326,935.48 = 129,480.32/x
  3. Step 3: Cross multiply
    236,910.32x = 326,935.48 × 129,480.32
  4. Step 4: Simplify right side
    236,910.32x = 42,331,710,569.75
  5. Step 5: Solve for x
    x = 42,331,710,569.75/236,910.32
  6. Step 6: Final answer
    x = 178,682.43

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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.