Home / 125,385.87-173,043.36-68,808.18

Finding the Fourth Proportional to 125,385.87, 173,043.36 and 68,808.18

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Solution

The fourth proportional to 125,385.87, 173,043.36 and 68,808.18 is: 94,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,385.87 : 173,043.36 = 68,808.18 : x
  2. Step 2: Convert to fraction form
    125,385.87/173,043.36 = 68,808.18/x
  3. Step 3: Cross multiply
    125,385.87x = 173,043.36 × 68,808.18
  4. Step 4: Simplify right side
    125,385.87x = 11,906,798,662.68
  5. Step 5: Solve for x
    x = 11,906,798,662.68/125,385.87
  6. Step 6: Final answer
    x = 94,961.25

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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.