Home / 128,973.37-193,450.89-34,201.45

Finding the Fourth Proportional to 128,973.37, 193,450.89 and 34,201.45

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Solution

The fourth proportional to 128,973.37, 193,450.89 and 34,201.45 is: 51,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,973.37 : 193,450.89 = 34,201.45 : x
  2. Step 2: Convert to fraction form
    128,973.37/193,450.89 = 34,201.45/x
  3. Step 3: Cross multiply
    128,973.37x = 193,450.89 × 34,201.45
  4. Step 4: Simplify right side
    128,973.37x = 6,616,300,941.79
  5. Step 5: Solve for x
    x = 6,616,300,941.79/128,973.37
  6. Step 6: Final answer
    x = 51,299.74

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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.