Home / 302,129.55-416,945.45-166,170.39

Finding the Fourth Proportional to 302,129.55, 416,945.45 and 166,170.39

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Solution

The fourth proportional to 302,129.55, 416,945.45 and 166,170.39 is: 229,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,129.55 : 416,945.45 = 166,170.39 : x
  2. Step 2: Convert to fraction form
    302,129.55/416,945.45 = 166,170.39/x
  3. Step 3: Cross multiply
    302,129.55x = 416,945.45 × 166,170.39
  4. Step 4: Simplify right side
    302,129.55x = 69,283,985,950.50
  5. Step 5: Solve for x
    x = 69,283,985,950.50/302,129.55
  6. Step 6: Final answer
    x = 229,318.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.