Home / 252,175.71-348,002.42-139,000.35

Finding the Fourth Proportional to 252,175.71, 348,002.42 and 139,000.35

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Solution

The fourth proportional to 252,175.71, 348,002.42 and 139,000.35 is: 191,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,175.71 : 348,002.42 = 139,000.35 : x
  2. Step 2: Convert to fraction form
    252,175.71/348,002.42 = 139,000.35/x
  3. Step 3: Cross multiply
    252,175.71x = 348,002.42 × 139,000.35
  4. Step 4: Simplify right side
    252,175.71x = 48,372,457,485.85
  5. Step 5: Solve for x
    x = 48,372,457,485.85/252,175.71
  6. Step 6: Final answer
    x = 191,820.45

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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.