Home / 179,703.07-247,989.54-99,135.61

Finding the Fourth Proportional to 179,703.07, 247,989.54 and 99,135.61

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Solution

The fourth proportional to 179,703.07, 247,989.54 and 99,135.61 is: 136,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,703.07 : 247,989.54 = 99,135.61 : x
  2. Step 2: Convert to fraction form
    179,703.07/247,989.54 = 99,135.61/x
  3. Step 3: Cross multiply
    179,703.07x = 247,989.54 × 99,135.61
  4. Step 4: Simplify right side
    179,703.07x = 24,584,594,321.52
  5. Step 5: Solve for x
    x = 24,584,594,321.52/179,703.07
  6. Step 6: Final answer
    x = 136,806.76

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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.