Home / 174,992.80-262,316.40-86,173.60

Finding the Fourth Proportional to 174,992.80, 262,316.40 and 86,173.60

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Solution

The fourth proportional to 174,992.80, 262,316.40 and 86,173.60 is: 129,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,992.80 : 262,316.40 = 86,173.60 : x
  2. Step 2: Convert to fraction form
    174,992.80/262,316.40 = 86,173.60/x
  3. Step 3: Cross multiply
    174,992.80x = 262,316.40 × 86,173.60
  4. Step 4: Simplify right side
    174,992.80x = 22,604,748,527.04
  5. Step 5: Solve for x
    x = 22,604,748,527.04/174,992.80
  6. Step 6: Final answer
    x = 129,175.31

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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.