Home / 162,028.50-223,611.87-89,445.61

Finding the Fourth Proportional to 162,028.50, 223,611.87 and 89,445.61

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Solution

The fourth proportional to 162,028.50, 223,611.87 and 89,445.61 is: 123,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,028.50 : 223,611.87 = 89,445.61 : x
  2. Step 2: Convert to fraction form
    162,028.50/223,611.87 = 89,445.61/x
  3. Step 3: Cross multiply
    162,028.50x = 223,611.87 × 89,445.61
  4. Step 4: Simplify right side
    162,028.50x = 20,001,100,115.39
  5. Step 5: Solve for x
    x = 20,001,100,115.39/162,028.50
  6. Step 6: Final answer
    x = 123,441.87

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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.