Home / 257,324.04-355,106.16-144,146.52

Finding the Fourth Proportional to 257,324.04, 355,106.16 and 144,146.52

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Solution

The fourth proportional to 257,324.04, 355,106.16 and 144,146.52 is: 198,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,324.04 : 355,106.16 = 144,146.52 : x
  2. Step 2: Convert to fraction form
    257,324.04/355,106.16 = 144,146.52/x
  3. Step 3: Cross multiply
    257,324.04x = 355,106.16 × 144,146.52
  4. Step 4: Simplify right side
    257,324.04x = 51,187,317,194.56
  5. Step 5: Solve for x
    x = 51,187,317,194.56/257,324.04
  6. Step 6: Final answer
    x = 198,921.63

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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.