Home / 161,996.47-243,103.16-67,226.74

Finding the Fourth Proportional to 161,996.47, 243,103.16 and 67,226.74

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Solution

The fourth proportional to 161,996.47, 243,103.16 and 67,226.74 is: 100,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,996.47 : 243,103.16 = 67,226.74 : x
  2. Step 2: Convert to fraction form
    161,996.47/243,103.16 = 67,226.74/x
  3. Step 3: Cross multiply
    161,996.47x = 243,103.16 × 67,226.74
  4. Step 4: Simplify right side
    161,996.47x = 16,343,033,858.26
  5. Step 5: Solve for x
    x = 16,343,033,858.26/161,996.47
  6. Step 6: Final answer
    x = 100,885.12

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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.