Home / 161,544.41-242,316.69-72,694.13

Finding the Fourth Proportional to 161,544.41, 242,316.69 and 72,694.13

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Solution

The fourth proportional to 161,544.41, 242,316.69 and 72,694.13 is: 109,041.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,544.41 : 242,316.69 = 72,694.13 : x
  2. Step 2: Convert to fraction form
    161,544.41/242,316.69 = 72,694.13/x
  3. Step 3: Cross multiply
    161,544.41x = 242,316.69 × 72,694.13
  4. Step 4: Simplify right side
    161,544.41x = 17,615,000,964.03
  5. Step 5: Solve for x
    x = 17,615,000,964.03/161,544.41
  6. Step 6: Final answer
    x = 109,041.23

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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.