Home / 168,632.06-253,072.80-79,885.76

Finding the Fourth Proportional to 168,632.06, 253,072.80 and 79,885.76

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Solution

The fourth proportional to 168,632.06, 253,072.80 and 79,885.76 is: 119,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,632.06 : 253,072.80 = 79,885.76 : x
  2. Step 2: Convert to fraction form
    168,632.06/253,072.80 = 79,885.76/x
  3. Step 3: Cross multiply
    168,632.06x = 253,072.80 × 79,885.76
  4. Step 4: Simplify right side
    168,632.06x = 20,216,911,697.96
  5. Step 5: Solve for x
    x = 20,216,911,697.96/168,632.06
  6. Step 6: Final answer
    x = 119,887.71

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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.