Home / 109,118.90-150,561.53-63,788.11

Finding the Fourth Proportional to 109,118.90, 150,561.53 and 63,788.11

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Solution

The fourth proportional to 109,118.90, 150,561.53 and 63,788.11 is: 88,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,118.90 : 150,561.53 = 63,788.11 : x
  2. Step 2: Convert to fraction form
    109,118.90/150,561.53 = 63,788.11/x
  3. Step 3: Cross multiply
    109,118.90x = 150,561.53 × 63,788.11
  4. Step 4: Simplify right side
    109,118.90x = 9,604,035,340.08
  5. Step 5: Solve for x
    x = 9,604,035,340.08/109,118.90
  6. Step 6: Final answer
    x = 88,014.41

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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.