Home / 142,829.58-214,258.57-52,896.36

Finding the Fourth Proportional to 142,829.58, 214,258.57 and 52,896.36

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Solution

The fourth proportional to 142,829.58, 214,258.57 and 52,896.36 is: 79,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,829.58 : 214,258.57 = 52,896.36 : x
  2. Step 2: Convert to fraction form
    142,829.58/214,258.57 = 52,896.36/x
  3. Step 3: Cross multiply
    142,829.58x = 214,258.57 × 52,896.36
  4. Step 4: Simplify right side
    142,829.58x = 11,333,498,451.81
  5. Step 5: Solve for x
    x = 11,333,498,451.81/142,829.58
  6. Step 6: Final answer
    x = 79,349.80

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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.