Home / 252,715.68-348,743.07-139,536

Finding the Fourth Proportional to 252,715.68, 348,743.07 and 139,536

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Solution

The fourth proportional to 252,715.68, 348,743.07 and 139,536 is: 192,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,715.68 : 348,743.07 = 139,536 : x
  2. Step 2: Convert to fraction form
    252,715.68/348,743.07 = 139,536/x
  3. Step 3: Cross multiply
    252,715.68x = 348,743.07 × 139,536
  4. Step 4: Simplify right side
    252,715.68x = 48,662,213,015.52
  5. Step 5: Solve for x
    x = 48,662,213,015.52/252,715.68
  6. Step 6: Final answer
    x = 192,557.16

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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.