Home / 162,145.20-243,223.26-43,817.56

Finding the Fourth Proportional to 162,145.20, 243,223.26 and 43,817.56

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Solution

The fourth proportional to 162,145.20, 243,223.26 and 43,817.56 is: 65,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,145.20 : 243,223.26 = 43,817.56 : x
  2. Step 2: Convert to fraction form
    162,145.20/243,223.26 = 43,817.56/x
  3. Step 3: Cross multiply
    162,145.20x = 243,223.26 × 43,817.56
  4. Step 4: Simplify right side
    162,145.20x = 10,657,449,788.45
  5. Step 5: Solve for x
    x = 10,657,449,788.45/162,145.20
  6. Step 6: Final answer
    x = 65,727.82

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1.5x scale

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.