Home / 135,111.48-202,710.96-64,981.68

Finding the Fourth Proportional to 135,111.48, 202,710.96 and 64,981.68

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Solution

The fourth proportional to 135,111.48, 202,710.96 and 64,981.68 is: 97,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,111.48 : 202,710.96 = 64,981.68 : x
  2. Step 2: Convert to fraction form
    135,111.48/202,710.96 = 64,981.68/x
  3. Step 3: Cross multiply
    135,111.48x = 202,710.96 × 64,981.68
  4. Step 4: Simplify right side
    135,111.48x = 13,172,498,735.21
  5. Step 5: Solve for x
    x = 13,172,498,735.21/135,111.48
  6. Step 6: Final answer
    x = 97,493.56

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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.