Home / 120,511.59-166,304.32-66,795.45

Finding the Fourth Proportional to 120,511.59, 166,304.32 and 66,795.45

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Solution

The fourth proportional to 120,511.59, 166,304.32 and 66,795.45 is: 92,176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,511.59 : 166,304.32 = 66,795.45 : x
  2. Step 2: Convert to fraction form
    120,511.59/166,304.32 = 66,795.45/x
  3. Step 3: Cross multiply
    120,511.59x = 166,304.32 × 66,795.45
  4. Step 4: Simplify right side
    120,511.59x = 11,108,371,891.34
  5. Step 5: Solve for x
    x = 11,108,371,891.34/120,511.59
  6. Step 6: Final answer
    x = 92,176.79

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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.