Home / 162,507.03-243,791.06-73,766.78

Finding the Fourth Proportional to 162,507.03, 243,791.06 and 73,766.78

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Solution

The fourth proportional to 162,507.03, 243,791.06 and 73,766.78 is: 110,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,507.03 : 243,791.06 = 73,766.78 : x
  2. Step 2: Convert to fraction form
    162,507.03/243,791.06 = 73,766.78/x
  3. Step 3: Cross multiply
    162,507.03x = 243,791.06 × 73,766.78
  4. Step 4: Simplify right side
    162,507.03x = 17,983,681,488.99
  5. Step 5: Solve for x
    x = 17,983,681,488.99/162,507.03
  6. Step 6: Final answer
    x = 110,664.02

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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.