Home / 130,268.93-179,736.96-75,064.68

Finding the Fourth Proportional to 130,268.93, 179,736.96 and 75,064.68

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Solution

The fourth proportional to 130,268.93, 179,736.96 and 75,064.68 is: 103,569.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,268.93 : 179,736.96 = 75,064.68 : x
  2. Step 2: Convert to fraction form
    130,268.93/179,736.96 = 75,064.68/x
  3. Step 3: Cross multiply
    130,268.93x = 179,736.96 × 75,064.68
  4. Step 4: Simplify right side
    130,268.93x = 13,491,897,386.57
  5. Step 5: Solve for x
    x = 13,491,897,386.57/130,268.93
  6. Step 6: Final answer
    x = 103,569.57

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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.