Home / 121,429.36-182,100.26-51,314.12

Finding the Fourth Proportional to 121,429.36, 182,100.26 and 51,314.12

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Solution

The fourth proportional to 121,429.36, 182,100.26 and 51,314.12 is: 76,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,429.36 : 182,100.26 = 51,314.12 : x
  2. Step 2: Convert to fraction form
    121,429.36/182,100.26 = 51,314.12/x
  3. Step 3: Cross multiply
    121,429.36x = 182,100.26 × 51,314.12
  4. Step 4: Simplify right side
    121,429.36x = 9,344,314,593.67
  5. Step 5: Solve for x
    x = 9,344,314,593.67/121,429.36
  6. Step 6: Final answer
    x = 76,952.68

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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.