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Finding the Fourth Proportional to 161,695.84, 242,514.88 and 56,544.96

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Solution

The fourth proportional to 161,695.84, 242,514.88 and 56,544.96 is: 84,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,695.84 : 242,514.88 = 56,544.96 : x
  2. Step 2: Convert to fraction form
    161,695.84/242,514.88 = 56,544.96/x
  3. Step 3: Cross multiply
    161,695.84x = 242,514.88 × 56,544.96
  4. Step 4: Simplify right side
    161,695.84x = 13,712,994,189.00
  5. Step 5: Solve for x
    x = 13,712,994,189.00/161,695.84
  6. Step 6: Final answer
    x = 84,807.34

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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.