Home / 167,743.12-251,621.64-53,902.48

Finding the Fourth Proportional to 167,743.12, 251,621.64 and 53,902.48

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Solution

The fourth proportional to 167,743.12, 251,621.64 and 53,902.48 is: 80,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,743.12 : 251,621.64 = 53,902.48 : x
  2. Step 2: Convert to fraction form
    167,743.12/251,621.64 = 53,902.48/x
  3. Step 3: Cross multiply
    167,743.12x = 251,621.64 × 53,902.48
  4. Step 4: Simplify right side
    167,743.12x = 13,563,030,417.67
  5. Step 5: Solve for x
    x = 13,563,030,417.67/167,743.12
  6. Step 6: Final answer
    x = 80,855.96

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1.5x scale

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.