Home / 132,695.33-183,107.50-78,971.67

Finding the Fourth Proportional to 132,695.33, 183,107.50 and 78,971.67

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Solution

The fourth proportional to 132,695.33, 183,107.50 and 78,971.67 is: 108,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,695.33 : 183,107.50 = 78,971.67 : x
  2. Step 2: Convert to fraction form
    132,695.33/183,107.50 = 78,971.67/x
  3. Step 3: Cross multiply
    132,695.33x = 183,107.50 × 78,971.67
  4. Step 4: Simplify right side
    132,695.33x = 14,460,304,867.10
  5. Step 5: Solve for x
    x = 14,460,304,867.10/132,695.33
  6. Step 6: Final answer
    x = 108,973.73

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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.