Home / 252,122.43-347,928.95-138,945.18

Finding the Fourth Proportional to 252,122.43, 347,928.95 and 138,945.18

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Solution

The fourth proportional to 252,122.43, 347,928.95 and 138,945.18 is: 191,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,122.43 : 347,928.95 = 138,945.18 : x
  2. Step 2: Convert to fraction form
    252,122.43/347,928.95 = 138,945.18/x
  3. Step 3: Cross multiply
    252,122.43x = 347,928.95 × 138,945.18
  4. Step 4: Simplify right side
    252,122.43x = 48,343,048,585.50
  5. Step 5: Solve for x
    x = 48,343,048,585.50/252,122.43
  6. Step 6: Final answer
    x = 191,744.34

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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.