Home / 134,628.36-185,779.56-74,198.82

Finding the Fourth Proportional to 134,628.36, 185,779.56 and 74,198.82

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Solution

The fourth proportional to 134,628.36, 185,779.56 and 74,198.82 is: 102,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,628.36 : 185,779.56 = 74,198.82 : x
  2. Step 2: Convert to fraction form
    134,628.36/185,779.56 = 74,198.82/x
  3. Step 3: Cross multiply
    134,628.36x = 185,779.56 × 74,198.82
  4. Step 4: Simplify right side
    134,628.36x = 13,784,624,132.12
  5. Step 5: Solve for x
    x = 13,784,624,132.12/134,628.36
  6. Step 6: Final answer
    x = 102,390.19

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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.