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Finding the Fourth Proportional to 161,885.40, 242,763.30 and 56,650.20

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Solution

The fourth proportional to 161,885.40, 242,763.30 and 56,650.20 is: 84,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,885.40 : 242,763.30 = 56,650.20 : x
  2. Step 2: Convert to fraction form
    161,885.40/242,763.30 = 56,650.20/x
  3. Step 3: Cross multiply
    161,885.40x = 242,763.30 × 56,650.20
  4. Step 4: Simplify right side
    161,885.40x = 13,752,589,497.66
  5. Step 5: Solve for x
    x = 13,752,589,497.66/161,885.40
  6. Step 6: Final answer
    x = 84,952.62

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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.