Home / 129,271.34-193,910.25-35,777.90

Finding the Fourth Proportional to 129,271.34, 193,910.25 and 35,777.90

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Solution

The fourth proportional to 129,271.34, 193,910.25 and 35,777.90 is: 53,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,271.34 : 193,910.25 = 35,777.90 : x
  2. Step 2: Convert to fraction form
    129,271.34/193,910.25 = 35,777.90/x
  3. Step 3: Cross multiply
    129,271.34x = 193,910.25 × 35,777.90
  4. Step 4: Simplify right side
    129,271.34x = 6,937,701,533.48
  5. Step 5: Solve for x
    x = 6,937,701,533.48/129,271.34
  6. Step 6: Final answer
    x = 53,667.75

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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.