Home / 125,444.43-173,109.78-68,855.76

Finding the Fourth Proportional to 125,444.43, 173,109.78 and 68,855.76

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Solution

The fourth proportional to 125,444.43, 173,109.78 and 68,855.76 is: 95,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,444.43 : 173,109.78 = 68,855.76 : x
  2. Step 2: Convert to fraction form
    125,444.43/173,109.78 = 68,855.76/x
  3. Step 3: Cross multiply
    125,444.43x = 173,109.78 × 68,855.76
  4. Step 4: Simplify right side
    125,444.43x = 11,919,605,465.33
  5. Step 5: Solve for x
    x = 11,919,605,465.33/125,444.43
  6. Step 6: Final answer
    x = 95,019.01

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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.