Home / 236,458.64-326,304.20-129,026.37

Finding the Fourth Proportional to 236,458.64, 326,304.20 and 129,026.37

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Solution

The fourth proportional to 236,458.64, 326,304.20 and 129,026.37 is: 178,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,458.64 : 326,304.20 = 129,026.37 : x
  2. Step 2: Convert to fraction form
    236,458.64/326,304.20 = 129,026.37/x
  3. Step 3: Cross multiply
    236,458.64x = 326,304.20 × 129,026.37
  4. Step 4: Simplify right side
    236,458.64x = 42,101,845,426.73
  5. Step 5: Solve for x
    x = 42,101,845,426.73/236,458.64
  6. Step 6: Final answer
    x = 178,051.62

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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.