Home / 121,455.35-182,184.80-54,849.05

Finding the Fourth Proportional to 121,455.35, 182,184.80 and 54,849.05

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Solution

The fourth proportional to 121,455.35, 182,184.80 and 54,849.05 is: 82,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,455.35 : 182,184.80 = 54,849.05 : x
  2. Step 2: Convert to fraction form
    121,455.35/182,184.80 = 54,849.05/x
  3. Step 3: Cross multiply
    121,455.35x = 182,184.80 × 54,849.05
  4. Step 4: Simplify right side
    121,455.35x = 9,992,662,019.27
  5. Step 5: Solve for x
    x = 9,992,662,019.27/121,455.35
  6. Step 6: Final answer
    x = 82,274.37

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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.