Home / 257,054.08-385,518.98-99,181.84

Finding the Fourth Proportional to 257,054.08, 385,518.98 and 99,181.84

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Solution

The fourth proportional to 257,054.08, 385,518.98 and 99,181.84 is: 148,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,054.08 : 385,518.98 = 99,181.84 : x
  2. Step 2: Convert to fraction form
    257,054.08/385,518.98 = 99,181.84/x
  3. Step 3: Cross multiply
    257,054.08x = 385,518.98 × 99,181.84
  4. Step 4: Simplify right side
    257,054.08x = 38,236,481,791.32
  5. Step 5: Solve for x
    x = 38,236,481,791.32/257,054.08
  6. Step 6: Final answer
    x = 148,748.78

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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.