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Finding the Fourth Proportional to 162,330.60, 243,330.30 and 109,745.40

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Solution

The fourth proportional to 162,330.60, 243,330.30 and 109,745.40 is: 164,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,330.60 : 243,330.30 = 109,745.40 : x
  2. Step 2: Convert to fraction form
    162,330.60/243,330.30 = 109,745.40/x
  3. Step 3: Cross multiply
    162,330.60x = 243,330.30 × 109,745.40
  4. Step 4: Simplify right side
    162,330.60x = 26,704,381,105.62
  5. Step 5: Solve for x
    x = 26,704,381,105.62/162,330.60
  6. Step 6: Final answer
    x = 164,506.14

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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.