Home / 161,987.44-242,980.14-55,319.93

Finding the Fourth Proportional to 161,987.44, 242,980.14 and 55,319.93

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Solution

The fourth proportional to 161,987.44, 242,980.14 and 55,319.93 is: 82,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,987.44 : 242,980.14 = 55,319.93 : x
  2. Step 2: Convert to fraction form
    161,987.44/242,980.14 = 55,319.93/x
  3. Step 3: Cross multiply
    161,987.44x = 242,980.14 × 55,319.93
  4. Step 4: Simplify right side
    161,987.44x = 13,441,644,736.19
  5. Step 5: Solve for x
    x = 13,441,644,736.19/161,987.44
  6. Step 6: Final answer
    x = 82,979.55

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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.