Home / 109,317.27-150,858.14-63,385.81

Finding the Fourth Proportional to 109,317.27, 150,858.14 and 63,385.81

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Solution

The fourth proportional to 109,317.27, 150,858.14 and 63,385.81 is: 87,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,317.27 : 150,858.14 = 63,385.81 : x
  2. Step 2: Convert to fraction form
    109,317.27/150,858.14 = 63,385.81/x
  3. Step 3: Cross multiply
    109,317.27x = 150,858.14 × 63,385.81
  4. Step 4: Simplify right side
    109,317.27x = 9,562,265,398.99
  5. Step 5: Solve for x
    x = 9,562,265,398.99/109,317.27
  6. Step 6: Final answer
    x = 87,472.60

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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.