Home / 162,390.96-243,586.44-57,185.28

Finding the Fourth Proportional to 162,390.96, 243,586.44 and 57,185.28

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Solution

The fourth proportional to 162,390.96, 243,586.44 and 57,185.28 is: 85,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,390.96 : 243,586.44 = 57,185.28 : x
  2. Step 2: Convert to fraction form
    162,390.96/243,586.44 = 57,185.28/x
  3. Step 3: Cross multiply
    162,390.96x = 243,586.44 × 57,185.28
  4. Step 4: Simplify right side
    162,390.96x = 13,929,558,775.60
  5. Step 5: Solve for x
    x = 13,929,558,775.60/162,390.96
  6. Step 6: Final answer
    x = 85,777.92

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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.