Home / 129,090.12-193,644.84-35,595

Finding the Fourth Proportional to 129,090.12, 193,644.84 and 35,595

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Solution

The fourth proportional to 129,090.12, 193,644.84 and 35,595 is: 53,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,090.12 : 193,644.84 = 35,595 : x
  2. Step 2: Convert to fraction form
    129,090.12/193,644.84 = 35,595/x
  3. Step 3: Cross multiply
    129,090.12x = 193,644.84 × 35,595
  4. Step 4: Simplify right side
    129,090.12x = 6,892,788,079.80
  5. Step 5: Solve for x
    x = 6,892,788,079.80/129,090.12
  6. Step 6: Final answer
    x = 53,395.16

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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.