Home / 108,512.09-149,756.11-60,764.57

Finding the Fourth Proportional to 108,512.09, 149,756.11 and 60,764.57

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Solution

The fourth proportional to 108,512.09, 149,756.11 and 60,764.57 is: 83,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,512.09 : 149,756.11 = 60,764.57 : x
  2. Step 2: Convert to fraction form
    108,512.09/149,756.11 = 60,764.57/x
  3. Step 3: Cross multiply
    108,512.09x = 149,756.11 × 60,764.57
  4. Step 4: Simplify right side
    108,512.09x = 9,099,865,325.20
  5. Step 5: Solve for x
    x = 9,099,865,325.20/108,512.09
  6. Step 6: Final answer
    x = 83,860.38

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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.