Home / 148,916.28-205,558.56-98,631.48

Finding the Fourth Proportional to 148,916.28, 205,558.56 and 98,631.48

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Solution

The fourth proportional to 148,916.28, 205,558.56 and 98,631.48 is: 136,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,916.28 : 205,558.56 = 98,631.48 : x
  2. Step 2: Convert to fraction form
    148,916.28/205,558.56 = 98,631.48/x
  3. Step 3: Cross multiply
    148,916.28x = 205,558.56 × 98,631.48
  4. Step 4: Simplify right side
    148,916.28x = 20,274,544,999.47
  5. Step 5: Solve for x
    x = 20,274,544,999.47/148,916.28
  6. Step 6: Final answer
    x = 136,147.27

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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.