Home / 175,984.80-264,055.69-81,164

Finding the Fourth Proportional to 175,984.80, 264,055.69 and 81,164

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Solution

The fourth proportional to 175,984.80, 264,055.69 and 81,164 is: 121,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,984.80 : 264,055.69 = 81,164 : x
  2. Step 2: Convert to fraction form
    175,984.80/264,055.69 = 81,164/x
  3. Step 3: Cross multiply
    175,984.80x = 264,055.69 × 81,164
  4. Step 4: Simplify right side
    175,984.80x = 21,431,816,023.16
  5. Step 5: Solve for x
    x = 21,431,816,023.16/175,984.80
  6. Step 6: Final answer
    x = 121,782.20

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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.