Home / 112,104.20-167,810.70-99,662.60

Finding the Fourth Proportional to 112,104.20, 167,810.70 and 99,662.60

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Solution

The fourth proportional to 112,104.20, 167,810.70 and 99,662.60 is: 149,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,104.20 : 167,810.70 = 99,662.60 : x
  2. Step 2: Convert to fraction form
    112,104.20/167,810.70 = 99,662.60/x
  3. Step 3: Cross multiply
    112,104.20x = 167,810.70 × 99,662.60
  4. Step 4: Simplify right side
    112,104.20x = 16,724,450,669.82
  5. Step 5: Solve for x
    x = 16,724,450,669.82/112,104.20
  6. Step 6: Final answer
    x = 149,186.66

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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.