Home / 132,530.63-198,657.11-64,969.34

Finding the Fourth Proportional to 132,530.63, 198,657.11 and 64,969.34

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Solution

The fourth proportional to 132,530.63, 198,657.11 and 64,969.34 is: 97,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,530.63 : 198,657.11 = 64,969.34 : x
  2. Step 2: Convert to fraction form
    132,530.63/198,657.11 = 64,969.34/x
  3. Step 3: Cross multiply
    132,530.63x = 198,657.11 × 64,969.34
  4. Step 4: Simplify right side
    132,530.63x = 12,906,620,004.88
  5. Step 5: Solve for x
    x = 12,906,620,004.88/132,530.63
  6. Step 6: Final answer
    x = 97,385.94

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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.