Home / 192,262.14-287,744.40-137,215.62

Finding the Fourth Proportional to 192,262.14, 287,744.40 and 137,215.62

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Solution

The fourth proportional to 192,262.14, 287,744.40 and 137,215.62 is: 205,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,262.14 : 287,744.40 = 137,215.62 : x
  2. Step 2: Convert to fraction form
    192,262.14/287,744.40 = 137,215.62/x
  3. Step 3: Cross multiply
    192,262.14x = 287,744.40 × 137,215.62
  4. Step 4: Simplify right side
    192,262.14x = 39,483,026,247.53
  5. Step 5: Solve for x
    x = 39,483,026,247.53/192,262.14
  6. Step 6: Final answer
    x = 205,360.38

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1.5x scale

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.