Home / 255,205.30-352,175.96-142,025.62

Finding the Fourth Proportional to 255,205.30, 352,175.96 and 142,025.62

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Solution

The fourth proportional to 255,205.30, 352,175.96 and 142,025.62 is: 195,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,205.30 : 352,175.96 = 142,025.62 : x
  2. Step 2: Convert to fraction form
    255,205.30/352,175.96 = 142,025.62/x
  3. Step 3: Cross multiply
    255,205.30x = 352,175.96 × 142,025.62
  4. Step 4: Simplify right side
    255,205.30x = 50,018,009,068.10
  5. Step 5: Solve for x
    x = 50,018,009,068.10/255,205.30
  6. Step 6: Final answer
    x = 195,991.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.