Home / 108,634.26-149,929.05-63,314.35

Finding the Fourth Proportional to 108,634.26, 149,929.05 and 63,314.35

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Solution

The fourth proportional to 108,634.26, 149,929.05 and 63,314.35 is: 87,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,634.26 : 149,929.05 = 63,314.35 : x
  2. Step 2: Convert to fraction form
    108,634.26/149,929.05 = 63,314.35/x
  3. Step 3: Cross multiply
    108,634.26x = 149,929.05 × 63,314.35
  4. Step 4: Simplify right side
    108,634.26x = 9,492,660,346.87
  5. Step 5: Solve for x
    x = 9,492,660,346.87/108,634.26
  6. Step 6: Final answer
    x = 87,381.83

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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.