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Finding the Fourth Proportional to 162,354.99, 243,536.67 and 76,945.92

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Solution

The fourth proportional to 162,354.99, 243,536.67 and 76,945.92 is: 115,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,354.99 : 243,536.67 = 76,945.92 : x
  2. Step 2: Convert to fraction form
    162,354.99/243,536.67 = 76,945.92/x
  3. Step 3: Cross multiply
    162,354.99x = 243,536.67 × 76,945.92
  4. Step 4: Simplify right side
    162,354.99x = 18,739,153,126.89
  5. Step 5: Solve for x
    x = 18,739,153,126.89/162,354.99
  6. Step 6: Final answer
    x = 115,420.86

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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.