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Finding the Fourth Proportional to 161,544.56, 242,427.54 and 56,363.52

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Solution

The fourth proportional to 161,544.56, 242,427.54 and 56,363.52 is: 84,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,544.56 : 242,427.54 = 56,363.52 : x
  2. Step 2: Convert to fraction form
    161,544.56/242,427.54 = 56,363.52/x
  3. Step 3: Cross multiply
    161,544.56x = 242,427.54 × 56,363.52
  4. Step 4: Simplify right side
    161,544.56x = 13,664,069,499.34
  5. Step 5: Solve for x
    x = 13,664,069,499.34/161,544.56
  6. Step 6: Final answer
    x = 84,583.91

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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.