Home / 108,104.50-149,172.06-62,776.90

Finding the Fourth Proportional to 108,104.50, 149,172.06 and 62,776.90

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Solution

The fourth proportional to 108,104.50, 149,172.06 and 62,776.90 is: 86,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,104.50 : 149,172.06 = 62,776.90 : x
  2. Step 2: Convert to fraction form
    108,104.50/149,172.06 = 62,776.90/x
  3. Step 3: Cross multiply
    108,104.50x = 149,172.06 × 62,776.90
  4. Step 4: Simplify right side
    108,104.50x = 9,364,559,493.41
  5. Step 5: Solve for x
    x = 9,364,559,493.41/108,104.50
  6. Step 6: Final answer
    x = 86,625.07

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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.