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Finding the Fourth Proportional to 161,573.67, 242,471.21 and 56,392.64

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Solution

The fourth proportional to 161,573.67, 242,471.21 and 56,392.64 is: 84,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,573.67 : 242,471.21 = 56,392.64 : x
  2. Step 2: Convert to fraction form
    161,573.67/242,471.21 = 56,392.64/x
  3. Step 3: Cross multiply
    161,573.67x = 242,471.21 × 56,392.64
  4. Step 4: Simplify right side
    161,573.67x = 13,673,591,070.84
  5. Step 5: Solve for x
    x = 13,673,591,070.84/161,573.67
  6. Step 6: Final answer
    x = 84,627.59

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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.