Home / 236,268.86-326,058.90-128,844.77

Finding the Fourth Proportional to 236,268.86, 326,058.90 and 128,844.77

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Solution

The fourth proportional to 236,268.86, 326,058.90 and 128,844.77 is: 177,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,268.86 : 326,058.90 = 128,844.77 : x
  2. Step 2: Convert to fraction form
    236,268.86/326,058.90 = 128,844.77/x
  3. Step 3: Cross multiply
    236,268.86x = 326,058.90 × 128,844.77
  4. Step 4: Simplify right side
    236,268.86x = 42,010,983,976.95
  5. Step 5: Solve for x
    x = 42,010,983,976.95/236,268.86
  6. Step 6: Final answer
    x = 177,810.08

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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.