Home / 111,740.37-167,610.12-45,179.70

Finding the Fourth Proportional to 111,740.37, 167,610.12 and 45,179.70

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Solution

The fourth proportional to 111,740.37, 167,610.12 and 45,179.70 is: 67,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,740.37 : 167,610.12 = 45,179.70 : x
  2. Step 2: Convert to fraction form
    111,740.37/167,610.12 = 45,179.70/x
  3. Step 3: Cross multiply
    111,740.37x = 167,610.12 × 45,179.70
  4. Step 4: Simplify right side
    111,740.37x = 7,572,574,100.51
  5. Step 5: Solve for x
    x = 7,572,574,100.51/111,740.37
  6. Step 6: Final answer
    x = 67,769.37

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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.