Home / 161,971.45-243,003.85-49,668.23

Finding the Fourth Proportional to 161,971.45, 243,003.85 and 49,668.23

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Solution

The fourth proportional to 161,971.45, 243,003.85 and 49,668.23 is: 74,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,971.45 : 243,003.85 = 49,668.23 : x
  2. Step 2: Convert to fraction form
    161,971.45/243,003.85 = 49,668.23/x
  3. Step 3: Cross multiply
    161,971.45x = 243,003.85 × 49,668.23
  4. Step 4: Simplify right side
    161,971.45x = 12,069,571,596.02
  5. Step 5: Solve for x
    x = 12,069,571,596.02/161,971.45
  6. Step 6: Final answer
    x = 74,516.66

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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.