Home / 76,421.07-114,464.34-54,166.93

Finding the Fourth Proportional to 76,421.07, 114,464.34 and 54,166.93

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Solution

The fourth proportional to 76,421.07, 114,464.34 and 54,166.93 is: 81,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,421.07 : 114,464.34 = 54,166.93 : x
  2. Step 2: Convert to fraction form
    76,421.07/114,464.34 = 54,166.93/x
  3. Step 3: Cross multiply
    76,421.07x = 114,464.34 × 54,166.93
  4. Step 4: Simplify right side
    76,421.07x = 6,200,181,606.12
  5. Step 5: Solve for x
    x = 6,200,181,606.12/76,421.07
  6. Step 6: Final answer
    x = 81,131.83

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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.