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Finding the Fourth Proportional to 161,508.80, 242,234.40 and 102,238.40

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Solution

The fourth proportional to 161,508.80, 242,234.40 and 102,238.40 is: 153,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,508.80 : 242,234.40 = 102,238.40 : x
  2. Step 2: Convert to fraction form
    161,508.80/242,234.40 = 102,238.40/x
  3. Step 3: Cross multiply
    161,508.80x = 242,234.40 × 102,238.40
  4. Step 4: Simplify right side
    161,508.80x = 24,765,657,480.96
  5. Step 5: Solve for x
    x = 24,765,657,480.96/161,508.80
  6. Step 6: Final answer
    x = 153,339.37

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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.