Home / 142,916.54-214,384.82-43,077.56

Finding the Fourth Proportional to 142,916.54, 214,384.82 and 43,077.56

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Solution

The fourth proportional to 142,916.54, 214,384.82 and 43,077.56 is: 64,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,916.54 : 214,384.82 = 43,077.56 : x
  2. Step 2: Convert to fraction form
    142,916.54/214,384.82 = 43,077.56/x
  3. Step 3: Cross multiply
    142,916.54x = 214,384.82 × 43,077.56
  4. Step 4: Simplify right side
    142,916.54x = 9,235,173,659.33
  5. Step 5: Solve for x
    x = 9,235,173,659.33/142,916.54
  6. Step 6: Final answer
    x = 64,619.35

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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.