Home / 252,636.68-348,638.28-139,459.16

Finding the Fourth Proportional to 252,636.68, 348,638.28 and 139,459.16

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Solution

The fourth proportional to 252,636.68, 348,638.28 and 139,459.16 is: 192,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,636.68 : 348,638.28 = 139,459.16 : x
  2. Step 2: Convert to fraction form
    252,636.68/348,638.28 = 139,459.16/x
  3. Step 3: Cross multiply
    252,636.68x = 348,638.28 × 139,459.16
  4. Step 4: Simplify right side
    252,636.68x = 48,620,801,672.64
  5. Step 5: Solve for x
    x = 48,620,801,672.64/252,636.68
  6. Step 6: Final answer
    x = 192,453.45

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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.