Home / 252,556.20-348,526.83-139,378.14

Finding the Fourth Proportional to 252,556.20, 348,526.83 and 139,378.14

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Solution

The fourth proportional to 252,556.20, 348,526.83 and 139,378.14 is: 192,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,556.20 : 348,526.83 = 139,378.14 : x
  2. Step 2: Convert to fraction form
    252,556.20/348,526.83 = 139,378.14/x
  3. Step 3: Cross multiply
    252,556.20x = 348,526.83 × 139,378.14
  4. Step 4: Simplify right side
    252,556.20x = 48,577,021,305.50
  5. Step 5: Solve for x
    x = 48,577,021,305.50/252,556.20
  6. Step 6: Final answer
    x = 192,341.43

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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.