Home / 121,736.60-182,604.90-38,630.60

Finding the Fourth Proportional to 121,736.60, 182,604.90 and 38,630.60

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Solution

The fourth proportional to 121,736.60, 182,604.90 and 38,630.60 is: 57,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,736.60 : 182,604.90 = 38,630.60 : x
  2. Step 2: Convert to fraction form
    121,736.60/182,604.90 = 38,630.60/x
  3. Step 3: Cross multiply
    121,736.60x = 182,604.90 × 38,630.60
  4. Step 4: Simplify right side
    121,736.60x = 7,054,136,849.94
  5. Step 5: Solve for x
    x = 7,054,136,849.94/121,736.60
  6. Step 6: Final answer
    x = 57,945.90

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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.