Home / 162,009.39-243,014.09-51,192.75

Finding the Fourth Proportional to 162,009.39, 243,014.09 and 51,192.75

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Solution

The fourth proportional to 162,009.39, 243,014.09 and 51,192.75 is: 76,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,009.39 : 243,014.09 = 51,192.75 : x
  2. Step 2: Convert to fraction form
    162,009.39/243,014.09 = 51,192.75/x
  3. Step 3: Cross multiply
    162,009.39x = 243,014.09 × 51,192.75
  4. Step 4: Simplify right side
    162,009.39x = 12,440,559,299.88
  5. Step 5: Solve for x
    x = 12,440,559,299.88/162,009.39
  6. Step 6: Final answer
    x = 76,789.13

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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.