Home / 142,733.75-214,092.39-42,891.80

Finding the Fourth Proportional to 142,733.75, 214,092.39 and 42,891.80

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Solution

The fourth proportional to 142,733.75, 214,092.39 and 42,891.80 is: 64,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,733.75 : 214,092.39 = 42,891.80 : x
  2. Step 2: Convert to fraction form
    142,733.75/214,092.39 = 42,891.80/x
  3. Step 3: Cross multiply
    142,733.75x = 214,092.39 × 42,891.80
  4. Step 4: Simplify right side
    142,733.75x = 9,182,807,973.40
  5. Step 5: Solve for x
    x = 9,182,807,973.40/142,733.75
  6. Step 6: Final answer
    x = 64,335.23

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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.