Home / 257,018.52-354,673.44-142,289.04

Finding the Fourth Proportional to 257,018.52, 354,673.44 and 142,289.04

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Solution

The fourth proportional to 257,018.52, 354,673.44 and 142,289.04 is: 196,352.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,018.52 : 354,673.44 = 142,289.04 : x
  2. Step 2: Convert to fraction form
    257,018.52/354,673.44 = 142,289.04/x
  3. Step 3: Cross multiply
    257,018.52x = 354,673.44 × 142,289.04
  4. Step 4: Simplify right side
    257,018.52x = 50,466,143,291.10
  5. Step 5: Solve for x
    x = 50,466,143,291.10/257,018.52
  6. Step 6: Final answer
    x = 196,352.17

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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.