Home / 257,071.12-354,771.72-161,542.48

Finding the Fourth Proportional to 257,071.12, 354,771.72 and 161,542.48

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Solution

The fourth proportional to 257,071.12, 354,771.72 and 161,542.48 is: 222,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,071.12 : 354,771.72 = 161,542.48 : x
  2. Step 2: Convert to fraction form
    257,071.12/354,771.72 = 161,542.48/x
  3. Step 3: Cross multiply
    257,071.12x = 354,771.72 × 161,542.48
  4. Step 4: Simplify right side
    257,071.12x = 57,310,703,482.67
  5. Step 5: Solve for x
    x = 57,310,703,482.67/257,071.12
  6. Step 6: Final answer
    x = 222,937.15

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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.