Home / 125,867.22-173,697.93-69,279

Finding the Fourth Proportional to 125,867.22, 173,697.93 and 69,279

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Solution

The fourth proportional to 125,867.22, 173,697.93 and 69,279 is: 95,605.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,867.22 : 173,697.93 = 69,279 : x
  2. Step 2: Convert to fraction form
    125,867.22/173,697.93 = 69,279/x
  3. Step 3: Cross multiply
    125,867.22x = 173,697.93 × 69,279
  4. Step 4: Simplify right side
    125,867.22x = 12,033,618,892.47
  5. Step 5: Solve for x
    x = 12,033,618,892.47/125,867.22
  6. Step 6: Final answer
    x = 95,605.66

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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.