Home / 252,489.42-348,433.65-139,312.44

Finding the Fourth Proportional to 252,489.42, 348,433.65 and 139,312.44

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Solution

The fourth proportional to 252,489.42, 348,433.65 and 139,312.44 is: 192,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,489.42 : 348,433.65 = 139,312.44 : x
  2. Step 2: Convert to fraction form
    252,489.42/348,433.65 = 139,312.44/x
  3. Step 3: Cross multiply
    252,489.42x = 348,433.65 × 139,312.44
  4. Step 4: Simplify right side
    252,489.42x = 48,541,141,959.61
  5. Step 5: Solve for x
    x = 48,541,141,959.61/252,489.42
  6. Step 6: Final answer
    x = 192,250.20

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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.