Home / 134,308.26-185,268.06-80,562.06

Finding the Fourth Proportional to 134,308.26, 185,268.06 and 80,562.06

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Solution

The fourth proportional to 134,308.26, 185,268.06 and 80,562.06 is: 111,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,308.26 : 185,268.06 = 80,562.06 : x
  2. Step 2: Convert to fraction form
    134,308.26/185,268.06 = 80,562.06/x
  3. Step 3: Cross multiply
    134,308.26x = 185,268.06 × 80,562.06
  4. Step 4: Simplify right side
    134,308.26x = 14,925,576,565.80
  5. Step 5: Solve for x
    x = 14,925,576,565.80/134,308.26
  6. Step 6: Final answer
    x = 111,129.25

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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.