Home / 161,544.74-242,317.15-72,694.44

Finding the Fourth Proportional to 161,544.74, 242,317.15 and 72,694.44

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Solution

The fourth proportional to 161,544.74, 242,317.15 and 72,694.44 is: 109,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,544.74 : 242,317.15 = 72,694.44 : x
  2. Step 2: Convert to fraction form
    161,544.74/242,317.15 = 72,694.44/x
  3. Step 3: Cross multiply
    161,544.74x = 242,317.15 × 72,694.44
  4. Step 4: Simplify right side
    161,544.74x = 17,615,109,339.91
  5. Step 5: Solve for x
    x = 17,615,109,339.91/161,544.74
  6. Step 6: Final answer
    x = 109,041.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.