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Finding the Fourth Proportional to 100,050.29, 150,020.05 and 40,927.49

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Solution

The fourth proportional to 100,050.29, 150,020.05 and 40,927.49 is: 61,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,050.29 : 150,020.05 = 40,927.49 : x
  2. Step 2: Convert to fraction form
    100,050.29/150,020.05 = 40,927.49/x
  3. Step 3: Cross multiply
    100,050.29x = 150,020.05 × 40,927.49
  4. Step 4: Simplify right side
    100,050.29x = 6,139,944,096.17
  5. Step 5: Solve for x
    x = 6,139,944,096.17/100,050.29
  6. Step 6: Final answer
    x = 61,368.58

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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.