Home / 103,303.60-154,736.70-92,222.80

Finding the Fourth Proportional to 103,303.60, 154,736.70 and 92,222.80

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Solution

The fourth proportional to 103,303.60, 154,736.70 and 92,222.80 is: 138,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,303.60 : 154,736.70 = 92,222.80 : x
  2. Step 2: Convert to fraction form
    103,303.60/154,736.70 = 92,222.80/x
  3. Step 3: Cross multiply
    103,303.60x = 154,736.70 × 92,222.80
  4. Step 4: Simplify right side
    103,303.60x = 14,270,251,736.76
  5. Step 5: Solve for x
    x = 14,270,251,736.76/103,303.60
  6. Step 6: Final answer
    x = 138,138.96

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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.