Home / 257,541.68-355,397.60-142,825.04

Finding the Fourth Proportional to 257,541.68, 355,397.60 and 142,825.04

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Solution

The fourth proportional to 257,541.68, 355,397.60 and 142,825.04 is: 197,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,541.68 : 355,397.60 = 142,825.04 : x
  2. Step 2: Convert to fraction form
    257,541.68/355,397.60 = 142,825.04/x
  3. Step 3: Cross multiply
    257,541.68x = 355,397.60 × 142,825.04
  4. Step 4: Simplify right side
    257,541.68x = 50,759,676,435.90
  5. Step 5: Solve for x
    x = 50,759,676,435.90/257,541.68
  6. Step 6: Final answer
    x = 197,093.05

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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.