Home / 130,356.55-179,799.09-119,635.97

Finding the Fourth Proportional to 130,356.55, 179,799.09 and 119,635.97

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Solution

The fourth proportional to 130,356.55, 179,799.09 and 119,635.97 is: 165,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,356.55 : 179,799.09 = 119,635.97 : x
  2. Step 2: Convert to fraction form
    130,356.55/179,799.09 = 119,635.97/x
  3. Step 3: Cross multiply
    130,356.55x = 179,799.09 × 119,635.97
  4. Step 4: Simplify right side
    130,356.55x = 21,510,437,638.27
  5. Step 5: Solve for x
    x = 21,510,437,638.27/130,356.55
  6. Step 6: Final answer
    x = 165,012.33

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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.