Home / 234,948.48-324,081.39-139,387.50

Finding the Fourth Proportional to 234,948.48, 324,081.39 and 139,387.50

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Solution

The fourth proportional to 234,948.48, 324,081.39 and 139,387.50 is: 192,267.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,948.48 : 324,081.39 = 139,387.50 : x
  2. Step 2: Convert to fraction form
    234,948.48/324,081.39 = 139,387.50/x
  3. Step 3: Cross multiply
    234,948.48x = 324,081.39 × 139,387.50
  4. Step 4: Simplify right side
    234,948.48x = 45,172,894,748.63
  5. Step 5: Solve for x
    x = 45,172,894,748.63/234,948.48
  6. Step 6: Final answer
    x = 192,267.24

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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.