Home / 147,497.63-203,546.36-80,429.63

Finding the Fourth Proportional to 147,497.63, 203,546.36 and 80,429.63

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Solution

The fourth proportional to 147,497.63, 203,546.36 and 80,429.63 is: 110,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,497.63 : 203,546.36 = 80,429.63 : x
  2. Step 2: Convert to fraction form
    147,497.63/203,546.36 = 80,429.63/x
  3. Step 3: Cross multiply
    147,497.63x = 203,546.36 × 80,429.63
  4. Step 4: Simplify right side
    147,497.63x = 16,371,158,020.50
  5. Step 5: Solve for x
    x = 16,371,158,020.50/147,497.63
  6. Step 6: Final answer
    x = 110,992.69

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1.5x scale

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.