Home / 125,255.64-187,944.12-55,125.84

Finding the Fourth Proportional to 125,255.64, 187,944.12 and 55,125.84

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Solution

The fourth proportional to 125,255.64, 187,944.12 and 55,125.84 is: 82,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,255.64 : 187,944.12 = 55,125.84 : x
  2. Step 2: Convert to fraction form
    125,255.64/187,944.12 = 55,125.84/x
  3. Step 3: Cross multiply
    125,255.64x = 187,944.12 × 55,125.84
  4. Step 4: Simplify right side
    125,255.64x = 10,360,577,488.06
  5. Step 5: Solve for x
    x = 10,360,577,488.06/125,255.64
  6. Step 6: Final answer
    x = 82,715.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.