Home / 182,142.51-273,148.14-76,969.68

Finding the Fourth Proportional to 182,142.51, 273,148.14 and 76,969.68

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Solution

The fourth proportional to 182,142.51, 273,148.14 and 76,969.68 is: 115,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,142.51 : 273,148.14 = 76,969.68 : x
  2. Step 2: Convert to fraction form
    182,142.51/273,148.14 = 76,969.68/x
  3. Step 3: Cross multiply
    182,142.51x = 273,148.14 × 76,969.68
  4. Step 4: Simplify right side
    182,142.51x = 21,024,124,928.40
  5. Step 5: Solve for x
    x = 21,024,124,928.40/182,142.51
  6. Step 6: Final answer
    x = 115,426.79

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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.