Home / 108,523.94-149,725.56-68,240.77

Finding the Fourth Proportional to 108,523.94, 149,725.56 and 68,240.77

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Solution

The fourth proportional to 108,523.94, 149,725.56 and 68,240.77 is: 94,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,523.94 : 149,725.56 = 68,240.77 : x
  2. Step 2: Convert to fraction form
    108,523.94/149,725.56 = 68,240.77/x
  3. Step 3: Cross multiply
    108,523.94x = 149,725.56 × 68,240.77
  4. Step 4: Simplify right side
    108,523.94x = 10,217,387,128.77
  5. Step 5: Solve for x
    x = 10,217,387,128.77/108,523.94
  6. Step 6: Final answer
    x = 94,148.69

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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.