Home / 257,196.48-354,937.44-144,042.24

Finding the Fourth Proportional to 257,196.48, 354,937.44 and 144,042.24

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Solution

The fourth proportional to 257,196.48, 354,937.44 and 144,042.24 is: 198,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,196.48 : 354,937.44 = 144,042.24 : x
  2. Step 2: Convert to fraction form
    257,196.48/354,937.44 = 144,042.24/x
  3. Step 3: Cross multiply
    257,196.48x = 354,937.44 × 144,042.24
  4. Step 4: Simplify right side
    257,196.48x = 51,125,983,917.47
  5. Step 5: Solve for x
    x = 51,125,983,917.47/257,196.48
  6. Step 6: Final answer
    x = 198,781.82

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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.