Home / 257,926.78-355,971.76-144,749.53

Finding the Fourth Proportional to 257,926.78, 355,971.76 and 144,749.53

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Solution

The fourth proportional to 257,926.78, 355,971.76 and 144,749.53 is: 199,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,926.78 : 355,971.76 = 144,749.53 : x
  2. Step 2: Convert to fraction form
    257,926.78/355,971.76 = 144,749.53/x
  3. Step 3: Cross multiply
    257,926.78x = 355,971.76 × 144,749.53
  4. Step 4: Simplify right side
    257,926.78x = 51,526,745,850.58
  5. Step 5: Solve for x
    x = 51,526,745,850.58/257,926.78
  6. Step 6: Final answer
    x = 199,772.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.