Home / 170,790.90-235,711.42-142,059.88

Finding the Fourth Proportional to 170,790.90, 235,711.42 and 142,059.88

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Solution

The fourth proportional to 170,790.90, 235,711.42 and 142,059.88 is: 196,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,790.90 : 235,711.42 = 142,059.88 : x
  2. Step 2: Convert to fraction form
    170,790.90/235,711.42 = 142,059.88/x
  3. Step 3: Cross multiply
    170,790.90x = 235,711.42 × 142,059.88
  4. Step 4: Simplify right side
    170,790.90x = 33,485,136,039.83
  5. Step 5: Solve for x
    x = 33,485,136,039.83/170,790.90
  6. Step 6: Final answer
    x = 196,059.25

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1.5x scale

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.