Home / 112,157.19-168,272.24-74,868.84

Finding the Fourth Proportional to 112,157.19, 168,272.24 and 74,868.84

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Solution

The fourth proportional to 112,157.19, 168,272.24 and 74,868.84 is: 112,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,157.19 : 168,272.24 = 74,868.84 : x
  2. Step 2: Convert to fraction form
    112,157.19/168,272.24 = 74,868.84/x
  3. Step 3: Cross multiply
    112,157.19x = 168,272.24 × 74,868.84
  4. Step 4: Simplify right side
    112,157.19x = 12,598,347,413.00
  5. Step 5: Solve for x
    x = 12,598,347,413.00/112,157.19
  6. Step 6: Final answer
    x = 112,327.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.