Home / 143,214.40-214,494.38-68,386.96

Finding the Fourth Proportional to 143,214.40, 214,494.38 and 68,386.96

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Solution

The fourth proportional to 143,214.40, 214,494.38 and 68,386.96 is: 102,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,214.40 : 214,494.38 = 68,386.96 : x
  2. Step 2: Convert to fraction form
    143,214.40/214,494.38 = 68,386.96/x
  3. Step 3: Cross multiply
    143,214.40x = 214,494.38 × 68,386.96
  4. Step 4: Simplify right side
    143,214.40x = 14,668,618,585.28
  5. Step 5: Solve for x
    x = 14,668,618,585.28/143,214.40
  6. Step 6: Final answer
    x = 102,424.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.