Home / 125,489.37-173,174.83-71,774.31

Finding the Fourth Proportional to 125,489.37, 173,174.83 and 71,774.31

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Solution

The fourth proportional to 125,489.37, 173,174.83 and 71,774.31 is: 99,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,489.37 : 173,174.83 = 71,774.31 : x
  2. Step 2: Convert to fraction form
    125,489.37/173,174.83 = 71,774.31/x
  3. Step 3: Cross multiply
    125,489.37x = 173,174.83 × 71,774.31
  4. Step 4: Simplify right side
    125,489.37x = 12,429,503,753.18
  5. Step 5: Solve for x
    x = 12,429,503,753.18/125,489.37
  6. Step 6: Final answer
    x = 99,048.26

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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.