Home / 123,777.04-170,812.52-67,188.48

Finding the Fourth Proportional to 123,777.04, 170,812.52 and 67,188.48

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Solution

The fourth proportional to 123,777.04, 170,812.52 and 67,188.48 is: 92,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,777.04 : 170,812.52 = 67,188.48 : x
  2. Step 2: Convert to fraction form
    123,777.04/170,812.52 = 67,188.48/x
  3. Step 3: Cross multiply
    123,777.04x = 170,812.52 × 67,188.48
  4. Step 4: Simplify right side
    123,777.04x = 11,476,633,583.77
  5. Step 5: Solve for x
    x = 11,476,633,583.77/123,777.04
  6. Step 6: Final answer
    x = 92,720.21

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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.