Home / 103,322.34-155,042.63-40,134.28

Finding the Fourth Proportional to 103,322.34, 155,042.63 and 40,134.28

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Solution

The fourth proportional to 103,322.34, 155,042.63 and 40,134.28 is: 60,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,322.34 : 155,042.63 = 40,134.28 : x
  2. Step 2: Convert to fraction form
    103,322.34/155,042.63 = 40,134.28/x
  3. Step 3: Cross multiply
    103,322.34x = 155,042.63 × 40,134.28
  4. Step 4: Simplify right side
    103,322.34x = 6,222,524,424.69
  5. Step 5: Solve for x
    x = 6,222,524,424.69/103,322.34
  6. Step 6: Final answer
    x = 60,224.39

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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.