Home / 236,551.32-326,438.10-129,120.48

Finding the Fourth Proportional to 236,551.32, 326,438.10 and 129,120.48

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Solution

The fourth proportional to 236,551.32, 326,438.10 and 129,120.48 is: 178,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,551.32 : 326,438.10 = 129,120.48 : x
  2. Step 2: Convert to fraction form
    236,551.32/326,438.10 = 129,120.48/x
  3. Step 3: Cross multiply
    236,551.32x = 326,438.10 × 129,120.48
  4. Step 4: Simplify right side
    236,551.32x = 42,149,844,162.29
  5. Step 5: Solve for x
    x = 42,149,844,162.29/236,551.32
  6. Step 6: Final answer
    x = 178,184.78

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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.