Home / 97,633.42-134,739.93-55,195.90

Finding the Fourth Proportional to 97,633.42, 134,739.93 and 55,195.90

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Solution

The fourth proportional to 97,633.42, 134,739.93 and 55,195.90 is: 76,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,633.42 : 134,739.93 = 55,195.90 : x
  2. Step 2: Convert to fraction form
    97,633.42/134,739.93 = 55,195.90/x
  3. Step 3: Cross multiply
    97,633.42x = 134,739.93 × 55,195.90
  4. Step 4: Simplify right side
    97,633.42x = 7,437,091,702.29
  5. Step 5: Solve for x
    x = 7,437,091,702.29/97,633.42
  6. Step 6: Final answer
    x = 76,173.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.