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Finding the Fourth Proportional to 162,159.54, 223,581.60 and 133,378.62

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Solution

The fourth proportional to 162,159.54, 223,581.60 and 133,378.62 is: 183,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,159.54 : 223,581.60 = 133,378.62 : x
  2. Step 2: Convert to fraction form
    162,159.54/223,581.60 = 133,378.62/x
  3. Step 3: Cross multiply
    162,159.54x = 223,581.60 × 133,378.62
  4. Step 4: Simplify right side
    162,159.54x = 29,821,005,265.39
  5. Step 5: Solve for x
    x = 29,821,005,265.39/162,159.54
  6. Step 6: Final answer
    x = 183,899.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.