Home / 134,645.96-185,812.67-74,218.93

Finding the Fourth Proportional to 134,645.96, 185,812.67 and 74,218.93

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Solution

The fourth proportional to 134,645.96, 185,812.67 and 74,218.93 is: 102,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,645.96 : 185,812.67 = 74,218.93 : x
  2. Step 2: Convert to fraction form
    134,645.96/185,812.67 = 74,218.93/x
  3. Step 3: Cross multiply
    134,645.96x = 185,812.67 × 74,218.93
  4. Step 4: Simplify right side
    134,645.96x = 13,790,817,268.86
  5. Step 5: Solve for x
    x = 13,790,817,268.86/134,645.96
  6. Step 6: Final answer
    x = 102,422.81

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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.