Home / 125,578.76-173,298.18-68,217.80

Finding the Fourth Proportional to 125,578.76, 173,298.18 and 68,217.80

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Solution

The fourth proportional to 125,578.76, 173,298.18 and 68,217.80 is: 94,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,578.76 : 173,298.18 = 68,217.80 : x
  2. Step 2: Convert to fraction form
    125,578.76/173,298.18 = 68,217.80/x
  3. Step 3: Cross multiply
    125,578.76x = 173,298.18 × 68,217.80
  4. Step 4: Simplify right side
    125,578.76x = 11,822,020,583.60
  5. Step 5: Solve for x
    x = 11,822,020,583.60/125,578.76
  6. Step 6: Final answer
    x = 94,140.29

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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.