Home / 185,213.07-277,886.21-72,830.97

Finding the Fourth Proportional to 185,213.07, 277,886.21 and 72,830.97

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Solution

The fourth proportional to 185,213.07, 277,886.21 and 72,830.97 is: 109,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,213.07 : 277,886.21 = 72,830.97 : x
  2. Step 2: Convert to fraction form
    185,213.07/277,886.21 = 72,830.97/x
  3. Step 3: Cross multiply
    185,213.07x = 277,886.21 × 72,830.97
  4. Step 4: Simplify right side
    185,213.07x = 20,238,721,859.77
  5. Step 5: Solve for x
    x = 20,238,721,859.77/185,213.07
  6. Step 6: Final answer
    x = 109,272.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.