Home / 205,248.60-307,581.30-142,846.20

Finding the Fourth Proportional to 205,248.60, 307,581.30 and 142,846.20

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Solution

The fourth proportional to 205,248.60, 307,581.30 and 142,846.20 is: 214,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,248.60 : 307,581.30 = 142,846.20 : x
  2. Step 2: Convert to fraction form
    205,248.60/307,581.30 = 142,846.20/x
  3. Step 3: Cross multiply
    205,248.60x = 307,581.30 × 142,846.20
  4. Step 4: Simplify right side
    205,248.60x = 43,936,819,896.06
  5. Step 5: Solve for x
    x = 43,936,819,896.06/205,248.60
  6. Step 6: Final answer
    x = 214,066.36

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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.