Home / 161,756.64-242,771.28-68,329.44

Finding the Fourth Proportional to 161,756.64, 242,771.28 and 68,329.44

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Solution

The fourth proportional to 161,756.64, 242,771.28 and 68,329.44 is: 102,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,756.64 : 242,771.28 = 68,329.44 : x
  2. Step 2: Convert to fraction form
    161,756.64/242,771.28 = 68,329.44/x
  3. Step 3: Cross multiply
    161,756.64x = 242,771.28 × 68,329.44
  4. Step 4: Simplify right side
    161,756.64x = 16,588,425,610.48
  5. Step 5: Solve for x
    x = 16,588,425,610.48/161,756.64
  6. Step 6: Final answer
    x = 102,551.74

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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.