Home / 112,415.04-168,770.79-103,131.23

Finding the Fourth Proportional to 112,415.04, 168,770.79 and 103,131.23

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Solution

The fourth proportional to 112,415.04, 168,770.79 and 103,131.23 is: 154,832.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,415.04 : 168,770.79 = 103,131.23 : x
  2. Step 2: Convert to fraction form
    112,415.04/168,770.79 = 103,131.23/x
  3. Step 3: Cross multiply
    112,415.04x = 168,770.79 × 103,131.23
  4. Step 4: Simplify right side
    112,415.04x = 17,405,538,316.92
  5. Step 5: Solve for x
    x = 17,405,538,316.92/112,415.04
  6. Step 6: Final answer
    x = 154,832.83

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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.