Home / 170,788.90-235,708.65-142,057.87

Finding the Fourth Proportional to 170,788.90, 235,708.65 and 142,057.87

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Solution

The fourth proportional to 170,788.90, 235,708.65 and 142,057.87 is: 196,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,788.90 : 235,708.65 = 142,057.87 : x
  2. Step 2: Convert to fraction form
    170,788.90/235,708.65 = 142,057.87/x
  3. Step 3: Cross multiply
    170,788.90x = 235,708.65 × 142,057.87
  4. Step 4: Simplify right side
    170,788.90x = 33,484,268,759.58
  5. Step 5: Solve for x
    x = 33,484,268,759.58/170,788.90
  6. Step 6: Final answer
    x = 196,056.47

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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.