Home / 115,979.20-174,001.20-56,816.80

Finding the Fourth Proportional to 115,979.20, 174,001.20 and 56,816.80

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Solution

The fourth proportional to 115,979.20, 174,001.20 and 56,816.80 is: 85,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,979.20 : 174,001.20 = 56,816.80 : x
  2. Step 2: Convert to fraction form
    115,979.20/174,001.20 = 56,816.80/x
  3. Step 3: Cross multiply
    115,979.20x = 174,001.20 × 56,816.80
  4. Step 4: Simplify right side
    115,979.20x = 9,886,191,380.16
  5. Step 5: Solve for x
    x = 9,886,191,380.16/115,979.20
  6. Step 6: Final answer
    x = 85,241.07

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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.