Home / 147,836.50-204,014.45-79,853.47

Finding the Fourth Proportional to 147,836.50, 204,014.45 and 79,853.47

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Solution

The fourth proportional to 147,836.50, 204,014.45 and 79,853.47 is: 110,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,836.50 : 204,014.45 = 79,853.47 : x
  2. Step 2: Convert to fraction form
    147,836.50/204,014.45 = 79,853.47/x
  3. Step 3: Cross multiply
    147,836.50x = 204,014.45 × 79,853.47
  4. Step 4: Simplify right side
    147,836.50x = 16,291,262,999.01
  5. Step 5: Solve for x
    x = 16,291,262,999.01/147,836.50
  6. Step 6: Final answer
    x = 110,197.84

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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.