Home / 162,330.44-243,284.78-66,155.36

Finding the Fourth Proportional to 162,330.44, 243,284.78 and 66,155.36

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Solution

The fourth proportional to 162,330.44, 243,284.78 and 66,155.36 is: 99,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,330.44 : 243,284.78 = 66,155.36 : x
  2. Step 2: Convert to fraction form
    162,330.44/243,284.78 = 66,155.36/x
  3. Step 3: Cross multiply
    162,330.44x = 243,284.78 × 66,155.36
  4. Step 4: Simplify right side
    162,330.44x = 16,094,591,152.39
  5. Step 5: Solve for x
    x = 16,094,591,152.39/162,330.44
  6. Step 6: Final answer
    x = 99,147.10

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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.