Home / 252,670.86-348,676.65-139,491.18

Finding the Fourth Proportional to 252,670.86, 348,676.65 and 139,491.18

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Solution

The fourth proportional to 252,670.86, 348,676.65 and 139,491.18 is: 192,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,670.86 : 348,676.65 = 139,491.18 : x
  2. Step 2: Convert to fraction form
    252,670.86/348,676.65 = 139,491.18/x
  3. Step 3: Cross multiply
    252,670.86x = 348,676.65 × 139,491.18
  4. Step 4: Simplify right side
    252,670.86x = 48,637,317,346.95
  5. Step 5: Solve for x
    x = 48,637,317,346.95/252,670.86
  6. Step 6: Final answer
    x = 192,492.78

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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.