Home / 125,311.60-172,918.74-71,596.42

Finding the Fourth Proportional to 125,311.60, 172,918.74 and 71,596.42

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Solution

The fourth proportional to 125,311.60, 172,918.74 and 71,596.42 is: 98,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,311.60 : 172,918.74 = 71,596.42 : x
  2. Step 2: Convert to fraction form
    125,311.60/172,918.74 = 71,596.42/x
  3. Step 3: Cross multiply
    125,311.60x = 172,918.74 × 71,596.42
  4. Step 4: Simplify right side
    125,311.60x = 12,380,362,734.91
  5. Step 5: Solve for x
    x = 12,380,362,734.91/125,311.60
  6. Step 6: Final answer
    x = 98,796.62

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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.