Home / 148,628.20-222,916.62-42,019.72

Finding the Fourth Proportional to 148,628.20, 222,916.62 and 42,019.72

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Solution

The fourth proportional to 148,628.20, 222,916.62 and 42,019.72 is: 63,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,628.20 : 222,916.62 = 42,019.72 : x
  2. Step 2: Convert to fraction form
    148,628.20/222,916.62 = 42,019.72/x
  3. Step 3: Cross multiply
    148,628.20x = 222,916.62 × 42,019.72
  4. Step 4: Simplify right side
    148,628.20x = 9,366,893,955.75
  5. Step 5: Solve for x
    x = 9,366,893,955.75/148,628.20
  6. Step 6: Final answer
    x = 63,022.32

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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.