Home / 257,010.52-354,662.40-142,281.04

Finding the Fourth Proportional to 257,010.52, 354,662.40 and 142,281.04

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Solution

The fourth proportional to 257,010.52, 354,662.40 and 142,281.04 is: 196,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,010.52 : 354,662.40 = 142,281.04 : x
  2. Step 2: Convert to fraction form
    257,010.52/354,662.40 = 142,281.04/x
  3. Step 3: Cross multiply
    257,010.52x = 354,662.40 × 142,281.04
  4. Step 4: Simplify right side
    257,010.52x = 50,461,735,120.90
  5. Step 5: Solve for x
    x = 50,461,735,120.90/257,010.52
  6. Step 6: Final answer
    x = 196,341.13

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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.