Home / 252,402.36-348,302.70-139,222.20

Finding the Fourth Proportional to 252,402.36, 348,302.70 and 139,222.20

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Solution

The fourth proportional to 252,402.36, 348,302.70 and 139,222.20 is: 192,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,402.36 : 348,302.70 = 139,222.20 : x
  2. Step 2: Convert to fraction form
    252,402.36/348,302.70 = 139,222.20/x
  3. Step 3: Cross multiply
    252,402.36x = 348,302.70 × 139,222.20
  4. Step 4: Simplify right side
    252,402.36x = 48,491,468,159.94
  5. Step 5: Solve for x
    x = 48,491,468,159.94/252,402.36
  6. Step 6: Final answer
    x = 192,119.71

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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.