Home / 134,419.22-185,497.04-73,988.56

Finding the Fourth Proportional to 134,419.22, 185,497.04 and 73,988.56

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Solution

The fourth proportional to 134,419.22, 185,497.04 and 73,988.56 is: 102,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,419.22 : 185,497.04 = 73,988.56 : x
  2. Step 2: Convert to fraction form
    134,419.22/185,497.04 = 73,988.56/x
  3. Step 3: Cross multiply
    134,419.22x = 185,497.04 × 73,988.56
  4. Step 4: Simplify right side
    134,419.22x = 13,724,658,873.86
  5. Step 5: Solve for x
    x = 13,724,658,873.86/134,419.22
  6. Step 6: Final answer
    x = 102,103.40

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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.