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Finding the Fourth Proportional to 162,318.40, 243,362.40 and 73,614.40

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Solution

The fourth proportional to 162,318.40, 243,362.40 and 73,614.40 is: 110,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,318.40 : 243,362.40 = 73,614.40 : x
  2. Step 2: Convert to fraction form
    162,318.40/243,362.40 = 73,614.40/x
  3. Step 3: Cross multiply
    162,318.40x = 243,362.40 × 73,614.40
  4. Step 4: Simplify right side
    162,318.40x = 17,914,977,058.56
  5. Step 5: Solve for x
    x = 17,914,977,058.56/162,318.40
  6. Step 6: Final answer
    x = 110,369.35

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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.