Home / 257,043.06-385,502.48-99,170.82

Finding the Fourth Proportional to 257,043.06, 385,502.48 and 99,170.82

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Solution

The fourth proportional to 257,043.06, 385,502.48 and 99,170.82 is: 148,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,043.06 : 385,502.48 = 99,170.82 : x
  2. Step 2: Convert to fraction form
    257,043.06/385,502.48 = 99,170.82/x
  3. Step 3: Cross multiply
    257,043.06x = 385,502.48 × 99,170.82
  4. Step 4: Simplify right side
    257,043.06x = 38,230,597,053.63
  5. Step 5: Solve for x
    x = 38,230,597,053.63/257,043.06
  6. Step 6: Final answer
    x = 148,732.27

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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.