Home / 125,819.70-173,628-68,456.58

Finding the Fourth Proportional to 125,819.70, 173,628 and 68,456.58

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Solution

The fourth proportional to 125,819.70, 173,628 and 68,456.58 is: 94,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,819.70 : 173,628 = 68,456.58 : x
  2. Step 2: Convert to fraction form
    125,819.70/173,628 = 68,456.58/x
  3. Step 3: Cross multiply
    125,819.70x = 173,628 × 68,456.58
  4. Step 4: Simplify right side
    125,819.70x = 11,885,979,072.24
  5. Step 5: Solve for x
    x = 11,885,979,072.24/125,819.70
  6. Step 6: Final answer
    x = 94,468.35

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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.