Home / 158,511.47-218,815.63-110,951.51

Finding the Fourth Proportional to 158,511.47, 218,815.63 and 110,951.51

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Solution

The fourth proportional to 158,511.47, 218,815.63 and 110,951.51 is: 153,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,511.47 : 218,815.63 = 110,951.51 : x
  2. Step 2: Convert to fraction form
    158,511.47/218,815.63 = 110,951.51/x
  3. Step 3: Cross multiply
    158,511.47x = 218,815.63 × 110,951.51
  4. Step 4: Simplify right side
    158,511.47x = 24,277,923,188.64
  5. Step 5: Solve for x
    x = 24,277,923,188.64/158,511.47
  6. Step 6: Final answer
    x = 153,161.94

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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.