Home / 162,112.32-243,201.29-56,939.49

Finding the Fourth Proportional to 162,112.32, 243,201.29 and 56,939.49

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Solution

The fourth proportional to 162,112.32, 243,201.29 and 56,939.49 is: 85,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,112.32 : 243,201.29 = 56,939.49 : x
  2. Step 2: Convert to fraction form
    162,112.32/243,201.29 = 56,939.49/x
  3. Step 3: Cross multiply
    162,112.32x = 243,201.29 × 56,939.49
  4. Step 4: Simplify right side
    162,112.32x = 13,847,757,135.24
  5. Step 5: Solve for x
    x = 13,847,757,135.24/162,112.32
  6. Step 6: Final answer
    x = 85,420.76

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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.