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Finding the Fourth Proportional to 148,079.34, 222,119.01 and 118,358.01

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Solution

The fourth proportional to 148,079.34, 222,119.01 and 118,358.01 is: 177,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,079.34 : 222,119.01 = 118,358.01 : x
  2. Step 2: Convert to fraction form
    148,079.34/222,119.01 = 118,358.01/x
  3. Step 3: Cross multiply
    148,079.34x = 222,119.01 × 118,358.01
  4. Step 4: Simplify right side
    148,079.34x = 26,289,564,006.77
  5. Step 5: Solve for x
    x = 26,289,564,006.77/148,079.34
  6. Step 6: Final answer
    x = 177,537.02

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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.