Home / 125,524.08-173,221.34-71,822.30

Finding the Fourth Proportional to 125,524.08, 173,221.34 and 71,822.30

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Solution

The fourth proportional to 125,524.08, 173,221.34 and 71,822.30 is: 99,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,524.08 : 173,221.34 = 71,822.30 : x
  2. Step 2: Convert to fraction form
    125,524.08/173,221.34 = 71,822.30/x
  3. Step 3: Cross multiply
    125,524.08x = 173,221.34 × 71,822.30
  4. Step 4: Simplify right side
    125,524.08x = 12,441,153,822.66
  5. Step 5: Solve for x
    x = 12,441,153,822.66/125,524.08
  6. Step 6: Final answer
    x = 99,113.68

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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.