Home / 252,039.92-347,814.89-138,862.67

Finding the Fourth Proportional to 252,039.92, 347,814.89 and 138,862.67

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Solution

The fourth proportional to 252,039.92, 347,814.89 and 138,862.67 is: 191,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,039.92 : 347,814.89 = 138,862.67 : x
  2. Step 2: Convert to fraction form
    252,039.92/347,814.89 = 138,862.67/x
  3. Step 3: Cross multiply
    252,039.92x = 347,814.89 × 138,862.67
  4. Step 4: Simplify right side
    252,039.92x = 48,298,504,291.16
  5. Step 5: Solve for x
    x = 48,298,504,291.16/252,039.92
  6. Step 6: Final answer
    x = 191,630.37

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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.