Home / 252,799.56-348,861.06-139,623.72

Finding the Fourth Proportional to 252,799.56, 348,861.06 and 139,623.72

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Solution

The fourth proportional to 252,799.56, 348,861.06 and 139,623.72 is: 192,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,799.56 : 348,861.06 = 139,623.72 : x
  2. Step 2: Convert to fraction form
    252,799.56/348,861.06 = 139,623.72/x
  3. Step 3: Cross multiply
    252,799.56x = 348,861.06 × 139,623.72
  4. Step 4: Simplify right side
    252,799.56x = 48,709,278,960.34
  5. Step 5: Solve for x
    x = 48,709,278,960.34/252,799.56
  6. Step 6: Final answer
    x = 192,679.45

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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.