Home / 181,965.25-272,762.96-75,407.18

Finding the Fourth Proportional to 181,965.25, 272,762.96 and 75,407.18

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Solution

The fourth proportional to 181,965.25, 272,762.96 and 75,407.18 is: 113,034.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,965.25 : 272,762.96 = 75,407.18 : x
  2. Step 2: Convert to fraction form
    181,965.25/272,762.96 = 75,407.18/x
  3. Step 3: Cross multiply
    181,965.25x = 272,762.96 × 75,407.18
  4. Step 4: Simplify right side
    181,965.25x = 20,568,286,541.36
  5. Step 5: Solve for x
    x = 20,568,286,541.36/181,965.25
  6. Step 6: Final answer
    x = 113,034.14

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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.