Home / 108,175.26-149,184.86-90,085.88

Finding the Fourth Proportional to 108,175.26, 149,184.86 and 90,085.88

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Solution

The fourth proportional to 108,175.26, 149,184.86 and 90,085.88 is: 124,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,175.26 : 149,184.86 = 90,085.88 : x
  2. Step 2: Convert to fraction form
    108,175.26/149,184.86 = 90,085.88/x
  3. Step 3: Cross multiply
    108,175.26x = 149,184.86 × 90,085.88
  4. Step 4: Simplify right side
    108,175.26x = 13,439,449,395.78
  5. Step 5: Solve for x
    x = 13,439,449,395.78/108,175.26
  6. Step 6: Final answer
    x = 124,237.74

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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.