Home / 168,288.89-252,447.23-121,123.50

Finding the Fourth Proportional to 168,288.89, 252,447.23 and 121,123.50

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Solution

The fourth proportional to 168,288.89, 252,447.23 and 121,123.50 is: 181,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,288.89 : 252,447.23 = 121,123.50 : x
  2. Step 2: Convert to fraction form
    168,288.89/252,447.23 = 121,123.50/x
  3. Step 3: Cross multiply
    168,288.89x = 252,447.23 × 121,123.50
  4. Step 4: Simplify right side
    168,288.89x = 30,577,292,839.05
  5. Step 5: Solve for x
    x = 30,577,292,839.05/168,288.89
  6. Step 6: Final answer
    x = 181,695.25

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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.