Home / 257,225.14-385,881.00-95,128.69

Finding the Fourth Proportional to 257,225.14, 385,881.00 and 95,128.69

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Solution

The fourth proportional to 257,225.14, 385,881.00 and 95,128.69 is: 142,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,225.14 : 385,881.00 = 95,128.69 : x
  2. Step 2: Convert to fraction form
    257,225.14/385,881.00 = 95,128.69/x
  3. Step 3: Cross multiply
    257,225.14x = 385,881.00 × 95,128.69
  4. Step 4: Simplify right side
    257,225.14x = 36,708,354,371.95
  5. Step 5: Solve for x
    x = 36,708,354,371.95/257,225.14
  6. Step 6: Final answer
    x = 142,709.04

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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.