Home / 116,821.21-161,213.13-63,106.22

Finding the Fourth Proportional to 116,821.21, 161,213.13 and 63,106.22

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Solution

The fourth proportional to 116,821.21, 161,213.13 and 63,106.22 is: 87,086.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,821.21 : 161,213.13 = 63,106.22 : x
  2. Step 2: Convert to fraction form
    116,821.21/161,213.13 = 63,106.22/x
  3. Step 3: Cross multiply
    116,821.21x = 161,213.13 × 63,106.22
  4. Step 4: Simplify right side
    116,821.21x = 10,173,550,442.60
  5. Step 5: Solve for x
    x = 10,173,550,442.60/116,821.21
  6. Step 6: Final answer
    x = 87,086.50

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1.5x scale

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.