Home / 162,014.30-243,021.45-155,015.90

Finding the Fourth Proportional to 162,014.30, 243,021.45 and 155,015.90

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Solution

The fourth proportional to 162,014.30, 243,021.45 and 155,015.90 is: 232,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,014.30 : 243,021.45 = 155,015.90 : x
  2. Step 2: Convert to fraction form
    162,014.30/243,021.45 = 155,015.90/x
  3. Step 3: Cross multiply
    162,014.30x = 243,021.45 × 155,015.90
  4. Step 4: Simplify right side
    162,014.30x = 37,672,188,791.06
  5. Step 5: Solve for x
    x = 37,672,188,791.06/162,014.30
  6. Step 6: Final answer
    x = 232,523.85

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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.