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Finding the Fourth Proportional to 173,875.60, 261,396.60 and 148,214.80

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Solution

The fourth proportional to 173,875.60, 261,396.60 and 148,214.80 is: 222,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,875.60 : 261,396.60 = 148,214.80 : x
  2. Step 2: Convert to fraction form
    173,875.60/261,396.60 = 148,214.80/x
  3. Step 3: Cross multiply
    173,875.60x = 261,396.60 × 148,214.80
  4. Step 4: Simplify right side
    173,875.60x = 38,742,844,789.68
  5. Step 5: Solve for x
    x = 38,742,844,789.68/173,875.60
  6. Step 6: Final answer
    x = 222,819.33

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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.