Home / 102,300.73-153,472.14-43,136.57

Finding the Fourth Proportional to 102,300.73, 153,472.14 and 43,136.57

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Solution

The fourth proportional to 102,300.73, 153,472.14 and 43,136.57 is: 64,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,300.73 : 153,472.14 = 43,136.57 : x
  2. Step 2: Convert to fraction form
    102,300.73/153,472.14 = 43,136.57/x
  3. Step 3: Cross multiply
    102,300.73x = 153,472.14 × 43,136.57
  4. Step 4: Simplify right side
    102,300.73x = 6,620,261,494.48
  5. Step 5: Solve for x
    x = 6,620,261,494.48/102,300.73
  6. Step 6: Final answer
    x = 64,713.73

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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.