Home / 123,444.98-170,364.56-69,739.85

Finding the Fourth Proportional to 123,444.98, 170,364.56 and 69,739.85

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Solution

The fourth proportional to 123,444.98, 170,364.56 and 69,739.85 is: 96,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,444.98 : 170,364.56 = 69,739.85 : x
  2. Step 2: Convert to fraction form
    123,444.98/170,364.56 = 69,739.85/x
  3. Step 3: Cross multiply
    123,444.98x = 170,364.56 × 69,739.85
  4. Step 4: Simplify right side
    123,444.98x = 11,881,198,859.72
  5. Step 5: Solve for x
    x = 11,881,198,859.72/123,444.98
  6. Step 6: Final answer
    x = 96,246.92

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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.