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Finding the Fourth Proportional to 142,801.85, 214,232.85 and 54,053.39

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Solution

The fourth proportional to 142,801.85, 214,232.85 and 54,053.39 is: 81,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,801.85 : 214,232.85 = 54,053.39 : x
  2. Step 2: Convert to fraction form
    142,801.85/214,232.85 = 54,053.39/x
  3. Step 3: Cross multiply
    142,801.85x = 214,232.85 × 54,053.39
  4. Step 4: Simplify right side
    142,801.85x = 11,580,012,327.44
  5. Step 5: Solve for x
    x = 11,580,012,327.44/142,801.85
  6. Step 6: Final answer
    x = 81,091.47

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1.5x scale

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.