Home / 257,147.12-354,832.72-148,250.25

Finding the Fourth Proportional to 257,147.12, 354,832.72 and 148,250.25

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Solution

The fourth proportional to 257,147.12, 354,832.72 and 148,250.25 is: 204,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,147.12 : 354,832.72 = 148,250.25 : x
  2. Step 2: Convert to fraction form
    257,147.12/354,832.72 = 148,250.25/x
  3. Step 3: Cross multiply
    257,147.12x = 354,832.72 × 148,250.25
  4. Step 4: Simplify right side
    257,147.12x = 52,604,039,077.55
  5. Step 5: Solve for x
    x = 52,604,039,077.55/257,147.12
  6. Step 6: Final answer
    x = 204,567.87

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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.