Home / 134,734.58-185,938.03-77,385.57

Finding the Fourth Proportional to 134,734.58, 185,938.03 and 77,385.57

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Solution

The fourth proportional to 134,734.58, 185,938.03 and 77,385.57 is: 106,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,734.58 : 185,938.03 = 77,385.57 : x
  2. Step 2: Convert to fraction form
    134,734.58/185,938.03 = 77,385.57/x
  3. Step 3: Cross multiply
    134,734.58x = 185,938.03 × 77,385.57
  4. Step 4: Simplify right side
    134,734.58x = 14,388,920,436.23
  5. Step 5: Solve for x
    x = 14,388,920,436.23/134,734.58
  6. Step 6: Final answer
    x = 106,794.56

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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.