Home / 121,409.37-182,135.97-54,880.83

Finding the Fourth Proportional to 121,409.37, 182,135.97 and 54,880.83

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Solution

The fourth proportional to 121,409.37, 182,135.97 and 54,880.83 is: 82,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,409.37 : 182,135.97 = 54,880.83 : x
  2. Step 2: Convert to fraction form
    121,409.37/182,135.97 = 54,880.83/x
  3. Step 3: Cross multiply
    121,409.37x = 182,135.97 × 54,880.83
  4. Step 4: Simplify right side
    121,409.37x = 9,995,773,206.46
  5. Step 5: Solve for x
    x = 9,995,773,206.46/121,409.37
  6. Step 6: Final answer
    x = 82,331.15

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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.