Home / 150,259.22-207,358.06-81,349.41

Finding the Fourth Proportional to 150,259.22, 207,358.06 and 81,349.41

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Solution

The fourth proportional to 150,259.22, 207,358.06 and 81,349.41 is: 112,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,259.22 : 207,358.06 = 81,349.41 : x
  2. Step 2: Convert to fraction form
    150,259.22/207,358.06 = 81,349.41/x
  3. Step 3: Cross multiply
    150,259.22x = 207,358.06 × 81,349.41
  4. Step 4: Simplify right side
    150,259.22x = 16,868,455,839.74
  5. Step 5: Solve for x
    x = 16,868,455,839.74/150,259.22
  6. Step 6: Final answer
    x = 112,262.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.