Home / 142,821.15-214,250.36-52,851.62

Finding the Fourth Proportional to 142,821.15, 214,250.36 and 52,851.62

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Solution

The fourth proportional to 142,821.15, 214,250.36 and 52,851.62 is: 79,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,821.15 : 214,250.36 = 52,851.62 : x
  2. Step 2: Convert to fraction form
    142,821.15/214,250.36 = 52,851.62/x
  3. Step 3: Cross multiply
    142,821.15x = 214,250.36 × 52,851.62
  4. Step 4: Simplify right side
    142,821.15x = 11,323,478,611.58
  5. Step 5: Solve for x
    x = 11,323,478,611.58/142,821.15
  6. Step 6: Final answer
    x = 79,284.33

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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.