Home / 252,288.69-348,158.03-139,111.71

Finding the Fourth Proportional to 252,288.69, 348,158.03 and 139,111.71

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Solution

The fourth proportional to 252,288.69, 348,158.03 and 139,111.71 is: 191,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,288.69 : 348,158.03 = 139,111.71 : x
  2. Step 2: Convert to fraction form
    252,288.69/348,158.03 = 139,111.71/x
  3. Step 3: Cross multiply
    252,288.69x = 348,158.03 × 139,111.71
  4. Step 4: Simplify right side
    252,288.69x = 48,432,858,207.97
  5. Step 5: Solve for x
    x = 48,432,858,207.97/252,288.69
  6. Step 6: Final answer
    x = 191,973.96

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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.