Home / 177,942.60-266,987.61-78,051.24

Finding the Fourth Proportional to 177,942.60, 266,987.61 and 78,051.24

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Solution

The fourth proportional to 177,942.60, 266,987.61 and 78,051.24 is: 117,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,942.60 : 266,987.61 = 78,051.24 : x
  2. Step 2: Convert to fraction form
    177,942.60/266,987.61 = 78,051.24/x
  3. Step 3: Cross multiply
    177,942.60x = 266,987.61 × 78,051.24
  4. Step 4: Simplify right side
    177,942.60x = 20,838,714,025.14
  5. Step 5: Solve for x
    x = 20,838,714,025.14/177,942.60
  6. Step 6: Final answer
    x = 117,109.19

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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.