Home / 125,823.94-188,382.78-94,380.34

Finding the Fourth Proportional to 125,823.94, 188,382.78 and 94,380.34

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Solution

The fourth proportional to 125,823.94, 188,382.78 and 94,380.34 is: 141,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,823.94 : 188,382.78 = 94,380.34 : x
  2. Step 2: Convert to fraction form
    125,823.94/188,382.78 = 94,380.34/x
  3. Step 3: Cross multiply
    125,823.94x = 188,382.78 × 94,380.34
  4. Step 4: Simplify right side
    125,823.94x = 17,779,630,826.55
  5. Step 5: Solve for x
    x = 17,779,630,826.55/125,823.94
  6. Step 6: Final answer
    x = 141,305.63

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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.