Home / 77,421.26-116,143.43-27,497.16

Finding the Fourth Proportional to 77,421.26, 116,143.43 and 27,497.16

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Solution

The fourth proportional to 77,421.26, 116,143.43 and 27,497.16 is: 41,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,421.26 : 116,143.43 = 27,497.16 : x
  2. Step 2: Convert to fraction form
    77,421.26/116,143.43 = 27,497.16/x
  3. Step 3: Cross multiply
    77,421.26x = 116,143.43 × 27,497.16
  4. Step 4: Simplify right side
    77,421.26x = 3,193,614,340.17
  5. Step 5: Solve for x
    x = 3,193,614,340.17/77,421.26
  6. Step 6: Final answer
    x = 41,249.84

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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.