Home / 120,663.93-166,518.96-66,946.95

Finding the Fourth Proportional to 120,663.93, 166,518.96 and 66,946.95

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Solution

The fourth proportional to 120,663.93, 166,518.96 and 66,946.95 is: 92,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,663.93 : 166,518.96 = 66,946.95 : x
  2. Step 2: Convert to fraction form
    120,663.93/166,518.96 = 66,946.95/x
  3. Step 3: Cross multiply
    120,663.93x = 166,518.96 × 66,946.95
  4. Step 4: Simplify right side
    120,663.93x = 11,147,936,489.17
  5. Step 5: Solve for x
    x = 11,147,936,489.17/120,663.93
  6. Step 6: Final answer
    x = 92,388.31

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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.