Home / 236,269.86-326,060.28-128,845.77

Finding the Fourth Proportional to 236,269.86, 326,060.28 and 128,845.77

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Solution

The fourth proportional to 236,269.86, 326,060.28 and 128,845.77 is: 177,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,269.86 : 326,060.28 = 128,845.77 : x
  2. Step 2: Convert to fraction form
    236,269.86/326,060.28 = 128,845.77/x
  3. Step 3: Cross multiply
    236,269.86x = 326,060.28 × 128,845.77
  4. Step 4: Simplify right side
    236,269.86x = 42,011,487,843.02
  5. Step 5: Solve for x
    x = 42,011,487,843.02/236,269.86
  6. Step 6: Final answer
    x = 177,811.46

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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.