Home / 252,339.06-348,203.70-139,154.52

Finding the Fourth Proportional to 252,339.06, 348,203.70 and 139,154.52

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Solution

The fourth proportional to 252,339.06, 348,203.70 and 139,154.52 is: 192,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,339.06 : 348,203.70 = 139,154.52 : x
  2. Step 2: Convert to fraction form
    252,339.06/348,203.70 = 139,154.52/x
  3. Step 3: Cross multiply
    252,339.06x = 348,203.70 × 139,154.52
  4. Step 4: Simplify right side
    252,339.06x = 48,454,118,735.72
  5. Step 5: Solve for x
    x = 48,454,118,735.72/252,339.06
  6. Step 6: Final answer
    x = 192,019.89

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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.